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Chickweed

Health Conditions33
Table of contents

Other Names

adder's mouthalsineAlsine apetala Kit. ex Nym.Alsine avicularum Lam.Alsine avicularum Lam., 1779Alsine barbata StokesAlsine bipartita Gilib.Alsine brachypetala OpizAlsine elongata Jord. & Fourr.Alsine glabella Jord. & Fourr.Alsine gussonii Jord. & Fourr.Alsine marginata Rchb.Alsine mediaAlsine media L.Alsine microphylla SchurAlsine repens Vell.Alsine vulgaris MoenchAlsinella wallichiana Sw.Arenaria vulgaris Bernh.Berrillobindweedbird seedbird's eyebirdseedbirdweedBuda media (L.) Desv.chickenwortchickwhirtlescluckenweedcommon chickweedcommon starwortCorion medium (L.) N.E. BrowncrachescyrillofĆ”nlǚFuglegrƦsGewƶhnliche VogelmiereGwlyddyn y domhierba gallineraHolosteum alsine Sw.HühnerdarmIndian chickweedmarunsmischievous JackMourronmouse earpamplinapasserinaptačinec prostřednĆ­satin flowerscarwortskirt buttonsstar chickweedstarweedstarwortStellaria alsine Afzel. & Wadsb.Stellaria alsinoides Schleich.Stellaria apetala Opiz ex Nym.Stellaria boraeana Jord.Stellaria chlorotica Timb.-Lagr.Stellaria elisabethae F. SchultzStellaria glabella Nym.Stellaria hiemalis (Beguinot) Raunk.Stellaria latifolia Pers.Stellaria mediaStellaria media (L.) CirilloStellaria media (L.) Vill.Stellaria media subsp. eliezeri (Eig) ZoharyStellaria media subsp. mediaStellaria media subsp. romana BegerSterremuurstitchworttongue grassVogel-SternmiereVogelmiereVrабчови чревцаwhite bird's eyewinter weedwinterweed繁缕

Synopsis

Chickweed (Stellaria media): A Comprehensive Reference

1. Identity and Botanical Profile

Scientific Name and Taxonomy

Stellaria media (L.) Vill. is a representative of the Caryophyllaceae family. The name Stellaria media was published by Dominique Villars in Histoire des plantes du DauphinƩ in 1789. The name Stellaria is derived from the word stella meaning "star," which is a reference to the shape of its flowers; media is Latin for "between," "intermediate," or "mid-sized."

Common Names and Synonyms

It is sometimes called common chickweed to distinguish it from other plants called chickweed. Other common names include chickenwort, craches, maruns, and winterweed. Additional common names documented in the pharmacological literature include mouse-ear, satinflower, starweed, starwort, tongue grass, white bird's-eye, and winterweed. It has accumulated a large number of synonyms since its formal description, as well as many putative varieties and subspecies, very few of which are accepted today. Historically, the plant was also classified under the genus Alsine: in Botanologia (or The English Herbal, 1710), William Salmon categorized several species of chickweeds under the genus "Alsine." Stellaria media was referred to as Alsine notha, meaning Bastard Chickweed or Cross-Bred Chickweed, and later Alsine media.

Morphology and Distribution

Chickweed is a cool-season, edible, annual herb in the carnation family (Caryophyllaceae) that is generally considered a weed. Its succulent stems can appear green or burgundy, reaching heights of 10 to 50 cm with a similar spread. The leaves are oval-shaped and arranged in opposite pairs along the stem, while the small white flowers feature delicate petals that often appear shorter than the sepals. A distinctive botanical marker is the stem, which is glabrous (without hairs) except for a single line of very fine hairs that grows along it and changes position at each node.

Originally from Eurasia and North Africa, this species has successfully naturalized across North and South America, making it one of the most widespread plants on the planet. It is common in lawns, meadows, waste places, and open areas. It is hardy and is not frost tender, and it grows, flowers, and sets seed all year round.

Plant Part Used and Common Preparations

The aerial parts of the plant — stems, leaves, and flowers — are the portions used in both culinary and medicinal preparations. Young leaves may be eaten raw or cooked as a potherb. Medicinally, in some traditions, it was prepared as a mild tea, tincture, or food ingredient and consumed as part of seasonal routines focused on balance and nourishment. It is commonly found today in topical formulations, infused oils, and herbal blends. Common dosage forms reported in herbalist literature include infusions (teas), tinctures, expressed fresh juice, poultices, creams, and dried powdered capsules.

2. Traditional and Historical Use

European Folk Medicine

The plant has been used as a therapeutic substance since time immemorial. It has been used for centuries in European folk medicine to treat skin conditions, respiratory ailments, and digestive issues. The 17th-century English herbalist Nicholas Culpeper wrote of the plant's value for inflammatory skin and vascular conditions, and the 17th-century herbalist John Gerard recommended it as a remedy for mange. Modern herbalists prescribe it mainly for skin diseases, but also for bronchitis, rheumatic pains, arthritis, and period pain.

Different parts of the plant have been used to treat various gastrointestinal disorders, asthma, diarrhoea, measles, jaundice, renal, digestive, reproductive and respiratory tracts inflammations. They also lessen swelling and have been used as plasters for broken bones.

Traditionally, common chickweed has been applied in folk medicine for the treatment of hypercholesterolemia. Chickweed offers a host of traditional medicinal benefits. It acts as a gentle laxative, demulcent, refrigerant, and anti-inflammatory. A chickweed poultice can be applied topically to help soothe inflammation, abscesses, rashes, and anything itchy.

Traditional Chinese Medicine

Stellaria media is a traditional Chinese medicine that has been used for over 200 years, mainly for the treatment of dermatitis and other skin diseases. It has also been used as an anti-viral agent. In Traditional Chinese Medicine, the plant is known as 繁缕 (fĆ”nlǚ), also written 蘩露 in some texts, and is classified as a cooling "people's herb."

North American Indigenous Use

Chickweed has fewer recorded Indigenous names in the Americas, since it is an Old World native introduced with European contact. It was used for medicinal purposes by the Chippewa and Iroquois; additionally, it was used as chicken feed by the Iroquois.

Indian Subcontinent

In India, the seeds of Stellaria media have been utilized for making bread and as a soup thickening agent.

Culinary Use Across Cultures

The common name "chickweed" is an acknowledgment of chickens' fondness for this plant as a food source. Across cultures, the fresh young leaves have been consumed in salads and as a cooked green. Young leaves may be eaten raw or cooked as a potherb, and they can be available all year round if the winter is not too severe.

3. Key Constituents and Active Compounds

Overview of Secondary Metabolites

Appraisal of bioactive metabolites from different parts of S. media has revealed over 80 secondary metabolites. Some of these compounds are saponins, alkaloids, cardiac glycosides, fatty acids, tannins, and terpenoids.

The findings of phytochemical research revealed important secondary metabolites such as flavonoids, oligosaccharide stellariose, anthraquinone derivatives, fatty acids, steroid saponins, and phenolic compounds. A comprehensive review published in the Journal of Herbmed Pharmacology (Singh et al., 2022) found that the presence of protein, vitamins, minerals, and secondary metabolites such as flavonoids, phenolic compounds, saponins, alkaloids, pentasaccharides, phlobatannins, and sitosterol have been documented.

Phenolic Acids and Flavonoids

Important phenolic acid constituents include vanillic acid, p-hydroxybenzoic acid, ferulic acid, caffeic acid, and chlorogenic acid. The flavonoids identified include apigenin and genistein, the flavone gypsogenin (a triterpenoid saponin), β-sitosterol, and its β-D-glucoside.

A 2017 study examining the chemical composition of chickweed's ethanolic and aqueous extracts (published in Industrial Crops and Products) found that apigenin glycosides are the main components of the tested extracts from Stellaria media herb. Additionally, phenolic acids such as ferulic, chlorogenic, and p-coumaric acid, and flavonoids and flavonoid glucosides such as chrysoeriol, rutin, and naringin, are among the most abundant compounds identified by comprehensive phytochemical profiling.

The chickweed leaf contains flavonols, including quercetin and rutin.

Anthraquinones and Phytosterols

The anthraquinones emodin, parietin (physcion), and questin; the flavonoid kaempferol-3,7-O-α-L-dirhamnoside; the phytosterols β-sitosterol and daucosterol; and the fatty alcohol 1-hexacosanol can be found in S. media.

Vitamins and Nutritional Minerals

Vitamins A, B, C, D, and folic acid have been reported in the plant, along with minerals including calcium, copper, iron, magnesium, potassium, and zinc, gamma-linoleic acid, flavonoids including apigenin and rutin, triterpenoid saponins, phytosterols, coumarins, mucilage, and organic acids. Nutritional studies have also revealed the presence of protein, especially 16 amino acids, along with vitamins and minerals such as calcium, iron, phosphorus, and zinc.

Saponins and Their Significance

Saponins are among the most pharmacologically relevant constituents. Chickweed contains constituents called saponins — meaning soap-like — resulting in a silky feeling when the plant is rubbed with a little water between the fingers. The saponin content is believed to contribute both to the plant's therapeutic properties and to certain dose-dependent adverse effects at high intake.

Polysaccharides and Cyclic Peptides

This plant contains many polysaccharides, flavonoids, and cyclic peptides as well as other compounds, which exhibit extremely effective anti-inflammatory and antiviral activity in research models.

4. Established Mechanisms of Action

Antioxidant Mechanisms

Research into the chemical composition and antioxidant properties of S. media (Rogowska et al., 2017, published in Industrial Crops and Products) demonstrated that the tested extracts showed reactive oxygen species scavenging activity in in vitro tests. The extracts also showed xanthine oxidase activity inhibition. The antioxidant activity of the extracts is related to the content of flavonoids. However, scavenging of DPPH and hyaluronidase and lipoxidase activity inhibition of both the extracts was weak, in contrast to the strong inhibition of xanthine oxidase activity.

Anti-Inflammatory Mechanisms

A 2016 study aimed at justifying the traditional use of chickweed as an anti-inflammatory herb in the treatment of skin conditions concluded that the anti-inflammatory effects of the herb, when used topically, were as a result of its antioxidant action rather than any modulation of pro-inflammatory enzymes, and that this correlated with the flavonoid content of the chickweed extracts used.

In animal (in vivo) models, pronounced reduction in inflammation was exhibited on formalin-induced paw lick and albumin-induced paw oedema after oral administration of methanol leaf extract (MLE).

Anti-Obesity: Digestive Enzyme Inhibition

The anti-obesity mechanism studied in preclinical models involves the inhibition of digestive enzymes. Lyophilized juice (LJ) of S. media inhibited pancreatic amylase and lipase activity in vitro and elevated plasma triacylglycerol levels in mice. The anti-obesity effects of LJ in high-fat-diet fed mice may be partly mediated through delaying the intestinal absorption of dietary fat and carbohydrate by inhibiting digestive enzymes.

Cardioprotective Mechanisms

Analysis of the chemical composition of Stellaria media tea suggested the presence of rutin and various apigenin glycosides, which have been reported to alleviate diabetic cardiomyopathy. Moreover, Stellaria media prevented diabetes-induced increase in cardiac STAT3 phosphorylation.

Antiviral Mechanisms

The anti-hepatitis B virus (HBV) activity of S. media was evaluated in vitro using the human HBV-transfected liver cell line HepG2.2.15. The concentrations of hepatitis B surface antigen (HBsAg) and hepatitis B e antigen (HBeAg) in HepG2.2.15 cell culture medium were determined by ELISA after SM-n treatment for 6 or 9 days. HBV DNA was quantified using transcription-mediated amplification and real-time polymerase chain reaction. At 30 μg/mL, the SM-3 fraction effectively suppressed the secretion of HBsAg and HBeAg with inhibition rates of 27.92% and 25.35% after 6 days of treatment, respectively. Consistent with the reduction in HBV antigens, SM-3 also reduced the level of HBV DNA in a dose-dependent manner.

5. Scientific Evidence by Area of Use

5.1 Skin Health and Dermatological Conditions

The topical use of chickweed for inflammatory skin conditions is its most consistently supported application in traditional and early scientific literature. Chickweed can be used for inflammatory skin conditions such as eczema, urticaria, or psoriasis. It is considered specific for the relief of itching (pruritus), and is consequently commonly used topically for these conditions and others that need cooling and soothing, such as bites, stings, splinters, heat rashes, boils, and spots.

The mechanistic basis for topical efficacy has been investigated in vitro. A study aimed at justification of chickweed's traditional use as an anti-inflammatory agent in the treatment of skin diseases investigated a phytochemical characterization and potential anti-inflammatory effect of the aqueous and ethanolic extracts in vitro, by determining their antioxidant and enzyme inhibition activities, as well as the effect on reactive oxygen species (ROS) generation by human skin fibroblasts and keratinocytes after UV irradiation. The study found that the anti-inflammatory effect was mediated primarily through antioxidant action and xanthine oxidase inhibition rather than through direct suppression of pro-inflammatory enzymes such as hyaluronidase or lipoxygenase.

Evidence strength: The evidence for topical skin use remains at the level of in vitro cell-based studies and traditional use. No published randomized controlled trials (RCTs) in humans have evaluated chickweed topical preparations for eczema or pruritus. Not all traditional uses are supported by scientific evidence.

5.2 Anti-Obesity and Weight Management

The most rigorously conducted preclinical study on S. media's anti-obesity potential was published in BMC Complementary and Alternative Medicine (Rani, Vasudeva, and Sharma, 2012). The study was designed to evaluate the quality control parameters, quantitative phytochemical analysis, and the anti-obesity effect of lyophilized juice (LJ) of Stellaria media (Linn.) Vill. by employing in vitro and in vivo models. In vitro studies were performed to evaluate the inhibitory activity of LJ on pancreatic amylase and lipase. The in vivo pancreatic lipase activity was evaluated by measurement of plasma triacylglycerol levels after oral administration of lipid emulsion to swiss albino mice.

LJ inhibited the enzyme activities in a dose-dependent way. The inhibition of lipase by LJ (IC50 value: 3.71 mg/ml) was stronger than that of α-amylase (IC50 value: 4.53 mg/ml). In the in vivo arm, at 3 and 4 hours after administration of LJ, the plasma triacylglycerol concentrations were significantly lower in the group administered 900 mg/kg of LJ than those in the positive control group. There was no significant reduction in plasma triacylglycerol levels at the dose of 400 mg/kg body weight.

LJ suppressed the increase in body weight, retroperitoneal adipose tissue, liver weights, and serum parameters — namely total cholesterol, total triglyceride, and LDL-cholesterol level — at the dose of 900 mg/kg body weight in mice fed with high-fat diet.

Evidence strength: All anti-obesity evidence is animal-based (rodent models) and in vitro. No human clinical trials have been conducted. Chickweed infusions and extracts have been used traditionally for widespread uses, although clinical studies are lacking. Antiviral, hepatoprotective, and antiobesity properties have been demonstrated both in vitro and in rodents. There is no recent published clinical evidence to guide dosage.

5.3 Cardiovascular and Lipid Effects

A well-designed animal study (DemjƔn et al., published in Evidence-Based Complementary and Alternative Medicine, 2020) investigated whether chickweed tea could lower cholesterol in hypercholesterolemic rats. Adult male Wistar rats were divided into three groups: a control group on standard chow, a hypercholesterolemic group on a cholesterol-enriched diet, and a chickweed-treated hypercholesterolemic group receiving cholesterol-enriched diet and 100 mg/kg body weight Stellaria media tea lyophilizate for 8 weeks. The result was negative: since the body weight and blood lipid profile were not significantly altered in the group treated with Stellaria media compared with the group fed with cholesterol-enriched diet only, this experiment does not support the rationale for using chickweed tea in order to lower cholesterol level. However, Stellaria media was neither toxic nor caused alterations in liver or kidney functions and cardiac morphology compared with hypercholesterolemic rats, suggesting a safe use of Stellaria media tea.

A follow-up study from the same research group (DemjƔn et al., Journal of Traditional and Complementary Medicine, 2021) used a diabetic cardiomyopathy model in rats. Common chickweed tea has traditionally been applied for treatment of various metabolic diseases including diabetes in folk medicine; however, experimental evidence to support this practice was lacking. The study aimed to assess the effect of Stellaria media tea on glucose homeostasis and cardiac performance in a rat model of diabetes. A hot water extract of Stellaria media herb was used, where diabetes was induced by fructose-enriched diet supplemented with a single injection of streptozotocin. Half of the animals received Stellaria media tea (100 mg/kg) by oral gavage. At the end of the 20-week experimental period, blood samples were collected and isolated working heart perfusions were performed.

Stellaria media tea did not significantly affect fasting hyperglycemia and glucose intolerance; however, it attenuated diabetes-induced deterioration of cardiac output and cardiac work. The authors demonstrated for the first time that Stellaria media tea may beneficially affect cardiac dysfunction induced by diabetes without improvement of glucose homeostasis. Rutin and/or apigenin glycosides as well as modulation of STAT3 signaling may be implicated in the protection of Stellaria media tea against diabetic cardiomyopathy.

Evidence strength: Evidence is limited to animal models only. Cholesterol-lowering effects were not confirmed in the controlled rat study. Cardioprotective effects in diabetic cardiomyopathy are preliminary, with a plausible mechanistic rationale. No human trials exist.

5.4 Antimicrobial Activity

A 2020 review examined the secondary metabolites found in chickweed, including the steroid saponins, flavonoids, and phenolic compounds considered to be the primary constituents responsible for its pharmacological activities including antimicrobial action. Extracts of the herb were seen to have significant inhibitory action against S. aureus, E. coli, S. typhi, P. aeruginosa, K. pneumoniae, and B. cereus.

A 2023 study explored the potential antimicrobial activity of chickweed on the gram-negative Escherichia coli and gram-positive Staphylococcus aureus in comparison to commonly used antibiotics. Chickweed was found to have antimicrobial properties effective against both gram-positive and gram-negative bacteria, although a greater sensitivity was observed in the gram-positive S. aureus.

Seeds of S. media have also been found to contain defensins — small antimicrobial peptides — with demonstrated antimicrobial activity.

Evidence strength: Antimicrobial evidence is entirely in vitro. No clinical trials have evaluated chickweed for treatment of infections in humans.

5.5 Anti-Hepatitis B Virus Activity

Research published in 2012 into the potential of chickweed against the hepatitis B virus (HBV) was conducted in response to the many disadvantages of current anti-HBV medications, including the increasing drug-resistance rate. The study demonstrated that a freeze-dried chickweed preparation with a fresh juice solution had significant efficacy against HBV in vitro. As detailed above, chickweed that has undergone membrane ultrafiltration possesses excellent anti-HBV activity in this model.

Evidence strength: Preliminary in vitro cell-line data only. No clinical evidence exists for use against hepatitis B infection in humans.

5.6 Antidiabetic Effects

Several studies have reported that chickweed leaves exhibit hypoglycemia, hypolipidemia, and hepatoprotective effects in preclinical models. However, as noted in the cardiac study above, a controlled experiment using Stellaria media tea at 100 mg/kg in a diabetic rat model did not demonstrate improvement in fasting hyperglycemia or glucose intolerance, even while showing benefit for cardiac function. Stellaria media tea restores diabetes-induced cardiac STAT3 phosphorylation but does not affect fasting hyperglycemia and glucose intolerance.

Evidence strength: The evidence for direct antidiabetic (blood glucose-lowering) effects is mixed and based solely on animal studies. The one well-controlled animal study did not show a blood glucose effect.

5.7 Antiproliferative and Anticancer Activity

Not many studies have been undertaken on the anticancerous activity of S. media despite the fact that it is a phytochemically rich plant. These phytochemicals could act as potent anticancerous agents. An in vitro study suggested that chickweed has mild antihepatoma activity.

Evidence strength: Entirely in vitro and very preliminary. No clinical evidence supports any anticancer use.

5.8 Anxiolytic Effects

Bioactive metabolites of S. media have been shown to display anxiolytic activity in preclinical pharmacological testing, alongside anti-obesity, antifungal, antibacterial, antioxidant, anti-proliferative, anti-inflammatory, and analgesic activities.

Evidence strength: Preclinical only. No human studies on anxiolytic effects have been published.

6. Body Systems and Health Areas

  • Integumentary (Skin): Externally, chickweed is renowned as a cooling, soothing, and healing remedy for the skin and is popular in creams and lotions for inflammatory and itchy skin conditions such as eczema, heat rashes, urticaria, sunburn, boils, and spots.
  • Musculoskeletal: The diuretic action of chickweed may also relieve fluid retention and associated hypertension whilst supporting the kidneys in the elimination of substances, including excess uric acid, which is seen to be a contributory factor in musculoskeletal conditions such as gout, rheumatism, and arthritis.
  • Respiratory: Traditional use includes application for coughs, bronchitis, and asthma, documented across European and Chinese folk medicine, though no clinical trial evidence supports these indications.
  • Digestive/Gastrointestinal: Different parts of the plant have been used to treat various gastrointestinal disorders and diarrhoea.
  • Urinary: The soothing quality of chickweed combined with its mild diuretic actions make it an ideal herb to include in a herbal infusion for inflammatory conditions of the urinary system including cystitis or irritable bladder.
  • Cardiovascular/Metabolic: Preclinical evidence supports a potential cardioprotective role in diabetic cardiomyopathy and an anti-obesity effect through digestive enzyme inhibition, though no human data exist.
  • Wound Healing: A poultice of chickweed can be applied to cuts, burns, and bruises according to traditional herbalists; in vitro wound-healing studies have been conducted but clinical evidence remains absent.

7. Dosage Forms and Reported Dosages

There is no recent published clinical evidence to guide the dosage of chickweed. The dosages cited below are those reported in specific studies or herbalist literature, not clinical recommendations.

  • Infusion (tea): 1–5 g dried herb infused in one cup of boiling water, to be drunk up to three times daily, has been reported in herbalist literature.
  • Animal study dosage (lipid/cardiac research): In the rat lipid profile study, 100 mg/kg body weight of Stellaria media tea lyophilizate was administered for 8 weeks. In the diabetic cardiomyopathy rat study, 100 mg/kg was delivered by oral gavage over 20 weeks.
  • Animal study dosage (anti-obesity research): The anti-obesity effect of lyophilized juice was assessed at two doses, 400 mg/kg and 900 mg/kg body weight in mice fed a high-fat diet. Only the 900 mg/kg dose produced significant effects on plasma triacylglycerol levels.
  • In vitro anti-HBV dosage: 30 μg/mL SM-3 effectively suppressed the secretion of HBsAg and HBeAg in HepG2.2.15 cells.
  • Tincture (herbalist-reported): A 1:5 ratio (herb to 25–30% alcohol) at 20–25 drops (about 1 ml), 2–3 times daily, has been reported in herbalist sources.
  • Powder/capsules (herbalist-reported): 500–1000 mg capsules of finely milled chickweed leaf powder, 1–2 times daily, has been reported for internal use.
  • Fresh poultice: Fresh chickweed can be gathered and either bruised or processed to a slurry, for use as an external preparation to relieve heat, itching, and inflammation in irritated skin conditions whilst also promoting skin repair.

8. Safety Considerations and Interactions

General Safety Profile

While Stellaria media is generally considered safe as a food, certain cautions should be observed due to its bioactive compounds and potential for adverse effects in sensitive individuals. Animal studies and reviews indicate that Stellaria media, when consumed as tea or in typical dietary amounts, does not show evidence of toxicity or cause significant changes in liver, kidney, or cardiac function in rats, suggesting a favorable safety profile for general consumption. No acute toxicity was observed in animal models, and traditional use as a food is well-documented.

The crude extracts and their metabolites did not show any toxicity in experimental animals.

Dose-Dependent Adverse Effects

Despite its general safety, Stellaria media contains several bioactive compounds — such as saponins, alkaloids, cardiac glycosides, and nitrates — that may cause adverse effects if consumed in large quantities. Poorly documented cases of paralysis have been reported if the plant is consumed in large quantities. The consumption of chickweed, while common in some societies, is typically avoided due to the possible risk of side effects at high doses.

Large amounts can cause nausea and diarrhea. The plant is high in saponins, which are compounds that may cause an upset stomach in some people.

Allergic Reactions

Very rarely, someone may become allergic to this herb. Contact dermatitis cases from exposure to Stellaria media weeds have been documented in the dermatological literature (Jovanovic et al., 2003, Contact Dermatitis). People allergic to carnations or other Caryophyllaceae members may be at increased risk of skin rash or itching when using topical preparations.

Nitrate Contamination Risk

Herbicide-resistant chickweed populations have been identified throughout the UK since 2016, creating uncertainty regarding the possible contaminants that chickweed found growing wild in agricultural environments may have been exposed to. The only reported case of toxicity in which chickweed was alleged to be implicated may have been contaminated with artificial fertilizer. Wild-harvested chickweed from agricultural land thus carries a risk of elevated nitrate or pesticide contamination.

Pregnancy and Lactation

Information regarding safety and efficacy in pregnancy and lactation is lacking.

Drug Interactions

There are no known contraindications or drug interactions documented in the published biomedical literature. However, if a patient is already on prescription diuretics, chickweed's mild diuretic effect could theoretically alter electrolyte balance. The diuretic potential has not been confirmed in human studies. There is not enough reliable information to know if chickweed is safe to use in larger amounts as medicine.

Overall Evidence Summary

The bioactive constituents and pharmacological potential of S. media are not yet well appraised. Extracts with established pharmacological activities should be subjected to bioassay-guided isolation so as to obtain compounds with novel structural moieties prior to toxicogenetic appraisals. Chickweed's best-supported role is as a gentle, soothing herb — especially topically — rather than a high-impact supplement for weight loss or major metabolic change. All pharmacological evidence to date is preliminary, derived from in vitro or rodent studies, and no registered human clinical trials have been completed for any indication.

References

Health Conditions

Health conditions that Chickweed may help support.

  • Multiple in vitro studies have confirmed significant antioxidant activity in S. media extracts, including ROS scavenging in human skin cells and inhibition of oxidative stress in macrophage models. The plant's flavonoids and phenolic acids are the primary active constituents.

  • Preclinical studies have demonstrated that S. media extracts possess anti-inflammatory activity, reducing ROS, IL-6, and COX-2 expression in cell and animal models. One small study also explored this in a clinical arthritis population. Evidence is primarily in vitro and animal-based with limited human data.

  • DermatitisScientific

    Chickweed is used in both traditional Chinese medicine and Western herbalism for dermatitis, with in vitro studies on human skin cells supporting an antioxidant-based anti-inflammatory mechanism. It is one of chickweed's best-documented applications.

  • Healthy WeightScientific

    Animal studies have demonstrated that S. media extracts reduce body weight, adipose tissue, and fat deposition in rodent obesity models via lipase inhibition and anorexic effects. Traditional use as an anti-obesity remedy is also documented. No human clinical trials have been conducted.

  • Liver DetoxScientific

    A rodent study demonstrated that a water-soluble polysaccharide fraction of S. media reduced markers of liver damage (ALT, AST, bilirubin) in CCl4-induced hepatitis. Traditional use of chickweed for liver 'heat-clearing' also exists. No human studies have been conducted.

  • A preliminary clinical study evaluated S. media extract in patients with polyarticular inflammatory arthritis, finding reductions in inflammatory markers. Animal models also show anti-inflammatory and analgesic effects. Traditional use for rheumatic conditions is long-documented.

  • Chickweed is used in herbal traditions as a demulcent and anti-inflammatory remedy for general abdominal discomfort, calming irritated gut lining. Its internally soothing properties are attributed to mucilage and flavonoids. No clinical studies are available.

  • AbscessesTraditional

    Chickweed poultices have a long traditional use for drawing and soothing abscesses, boils, and swellings. Applied topically, the herb's cooling and demulcent properties are credited with reducing localized heat and inflammation. No clinical trials exist to substantiate this use.

  • AcneTraditional

    Chickweed has traditional use as an astringent and anti-inflammatory wash or topical preparation for acne and spots. Its astringent and mild antimicrobial properties are the basis of this use. No clinical trials in humans have tested it specifically for acne.

  • ArthritisTraditional

    Chickweed has documented traditional use in European and homeopathic medicine for relieving rheumatic and arthritic joint pain. One preliminary clinical study evaluated its anti-inflammatory action in polyarticular inflammatory arthritis. Animal models also show anti-inflammatory analgesic effects.

  • AsthmaTraditional

    Chickweed is recorded across multiple herbal traditions—European, Indigenous North American, and TCM—as an antiasthmatic herb, with its expectorant and demulcent properties considered relevant to asthma management. The PMC pharmacological review and others document this use. No clinical asthma trials exist.

  • Bites and StingsTraditional

    Chickweed has a well-documented traditional use as a topical remedy for insect bites and stings, valued for its cooling and anti-itch properties. Fresh plant or poultice is applied directly to reduce itching and local inflammation. No clinical studies exist for this specific use.

  • Blood PressureTraditional

    Chickweed's traditional diuretic action is linked by herbalists to potential blood pressure support via fluid and sodium elimination. Anne McIntyre specifically notes its diuretic action may be helpful in hypertension. No clinical evidence exists.

  • BronchitisTraditional

    Chickweed is consistently cited in herbal traditions and ethnobotanical records as a remedy for bronchitis, valued for its combined expectorant and soothing demulcent actions on the bronchial airways. Multiple herbal monographs document this use. No clinical evidence is available.

  • Burns and ScaldsTraditional

    Chickweed has been used in traditional medicine as a cooling topical application for minor burns and scalds. Victorian herbal compendia and modern herbal practitioners both describe its use in poultices and salves for burn relief. No clinical evidence is available.

  • ColitisTraditional

    Chickweed is used in herbal practice for colitis and inflammatory bowel conditions, leveraging its cooling, demulcent, and anti-inflammatory actions internally. Herbal Reality specifically lists colitis among digestive indications. No clinical evidence is available.

  • ConstipationTraditional

    Chickweed has longstanding traditional use as a mild laxative, included in European herbal traditions for relieving constipation. Its gentle action is attributed to saponins and mucilage lubricating the gut lining. No human clinical trials have been conducted.

  • Dry SkinTraditional

    Chickweed is a well-established traditional topical remedy for dry, irritated skin due to its demulcent mucilage content. Applied as creams, salves, or infused oils, it is considered to moisturize and soothe dryness. No clinical trials exist specifically for dry skin.

  • EczemaTraditional

    Chickweed is one of the most consistently recommended topical herbal remedies for eczema across European and TCM herbal traditions. Herbal practitioners describe it as a key herb for inflammatory, itchy skin conditions. In vitro antioxidant and anti-inflammatory data on human skin cells provide partial mechanistic support.

  • FeverTraditional

    Chickweed has a traditional classification as a refrigerant and antipyretic herb, used in hot infusion form to reduce fevers across European and Asian herbal traditions. Antipyretic activity has also been noted in preclinical pharmacological reviews. No clinical trials exist.

  • GastritisTraditional

    Chickweed is used in herbal medicine for gastritis, with its demulcent mucilage soothing inflamed gastric mucosa and flavonoids providing anti-inflammatory effects. Multiple herbal sources list this among digestive indications. No clinical evidence is available.

  • Chickweed is used in traditional herbal medicine to support the elimination of excess uric acid via its diuretic action, making it relevant to gout management. Herbal monographs specifically mention this use. No clinical studies exist.

  • IBSTraditional

    Chickweed is included in herbal practice for IBS, where its demulcent, anti-inflammatory, and mild laxative properties are considered beneficial for irritated bowel. Herbal Reality specifically lists IBS among digestive tract indications. No clinical trials exist.

  • Kidney HealthTraditional

    Chickweed is traditionally used as a mild diuretic supportive of kidney and bladder function, helping eliminate excess uric acid, toxins, and waste via the urinary system. Traditional texts and herbalist monographs consistently document this use. No clinical studies are available.

  • Lymphatic HealthTraditional

    Chickweed is consistently described in Western herbal traditions as a lymphatic alterative that supports the cleansing function of the lymphatic system. It is used to help move lymphatic fluid, reduce swollen glands, and clear congestion. No clinical evidence exists for this use.

  • Mucus & PhlegmTraditional

    Chickweed is classified as an expectorant herb in traditional medicine, with saponins credited for loosening and expelling mucus from the respiratory tract. It is used for coughs with sticky or dry phlegm. No clinical trials have been performed for this use.

  • PsoriasisTraditional

    Chickweed is consistently cited in herbal and homeopathic traditions as a topical remedy for psoriasis, with its anti-inflammatory and skin-soothing properties considered relevant. In vitro skin cell data provide partial mechanistic support. No clinical trials have been conducted.

  • Rashes and HivesTraditional

    Chickweed is one of the most frequently cited herbal remedies for itchy rashes and urticaria (hives) in European herbal medicine. Topical preparations soothe heat, itching, and inflammation. In vitro skin cell data provide limited mechanistic support.

  • Sore ThroatTraditional

    Chickweed is used in traditional herbal medicine as a demulcent and soothing remedy for sore throats, with its mucilage coating and soothing inflamed throat mucosa. It appears in herbalist monographs across multiple traditions for this use. No clinical evidence is available.

  • UlcersTraditional

    Chickweed is used in herbal tradition for peptic and digestive ulcers, with its demulcent mucilage proposed to coat and protect ulcerated mucosa. Herbal Reality specifically includes peptic ulcers among its digestive indications. No clinical evidence exists.

  • Chickweed is documented in herbal traditions as a soothing diuretic for cystitis and irritable bladder, reducing urinary tract inflammation and supporting urinary elimination. Multiple herbal monographs consistently report this use. No clinical trials have been performed.

  • Chickweed's mild diuretic properties have led to its traditional use for fluid retention and edema, promoting urine output to reduce bloating and puffiness. Multiple herbalist sources document this use. No human clinical data exist.

  • Wound HealingTraditional

    Chickweed has widespread traditional use as a vulnerary (wound-healing) herb applied topically to cuts, bruises, and ulcers. Preclinical literature documents wound-healing activity. No human clinical trials exist.

Body Systems

Body systems that Chickweed may help support.

  • No body systems available.
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Chickweed | Vitabase