Evidence supporting the use of: Terpene
For the health condition: Colds (decongestant)
Synopsis
Source of validity: Traditional
Rating (out of 5): 2
Terpenes are a large and diverse class of organic compounds produced by many plants, including conifers and citrus fruits. Their use as decongestants in the context of colds is primarily rooted in traditional and folk medicine rather than modern scientific validation. Essential oils such as eucalyptus oil and pine oil, both rich in monoterpenes like eucalyptol (1,8-cineole) and alpha-pinene, have long been used in steam inhalation therapies and topical rubs aimed at relieving nasal congestion and cold symptoms.
Historically, these remedies were believed to work by providing a cooling sensation and opening up the nasal passages, possibly through mild irritation of mucous membranes or stimulation of cold receptors. Some small studies and laboratory research have suggested that certain terpenes may have mild anti-inflammatory, bronchodilatory, or antimicrobial properties, but clinically robust evidence for their effectiveness as decongestants is limited. The most notable terpene, eucalyptol, has been included in some over-the-counter cold remedies, but its decongestant effect remains modest and is often attributed to subjective sensation rather than significant physiological relief.
Overall, the use of terpenes for nasal decongestion in colds is better supported by tradition and anecdotal reports than by rigorous scientific trials. Clinical guidelines generally do not recommend terpene-based treatments as primary interventions for cold-related congestion.
Other ingredients used for Colds (decongestant)
allspicewaterhyssop
basil
beta-pinene
black cumin
black currant
black pepper
radish
capsaicinoids
chen pi
citrus oil
clove
turmeric
echinacea purpurea
elderberry
forsythia
garlic bulb
ginger
greek mountain tea
green tea
horseradish
honeysuckle
lemon
licorice root
mint
mustard seed
oregano
peppermint oil
pineapple
pomegranate
quercetin
rhizome
rosemary
schizonepeta
spearmint leaf
thyme
vitamin C
wasabia japonica
water
zinc
hyssop
cardamom
atractylodes
capsicum
mugwort
alpinia galangal
ferula assafoetida
boxthorne
lemongrass
yerba santa
chrysanthemum
sweet flag
eucalyptus
menthol oil
abies spectabilis
horehound
Sichuan pepper
indigo leaves
cayenne pepper
Alcohol
Agastache
Alpha-terpineol
Asarum heterotropoides
Andrographis
Asteracea
allyl isothiocyanate
Allium tuberosum
Arani
Atractylone
Baphicacanthus cusia
Balsam
Bishop's Weed
Black galingale
Bitter Grass
berry
Bee products
Buddha's Hand
Borneol
Coconut
Clerodendrum trichotomum
Capillary Artemisia
Citron
Citrus
Cineole
Capsaicin
Cajuput
Cinnamaldehyde
Costus
Dragonhead
Ephedra
English Horsemint
Echinacea
Elder
Essential Oil Blend
Ephedrine
Fruit
gamma-terpinene
Gallesia
Mustard
salt
Sandalwood
Sweet Orange alcohol
Other health conditions supported by Terpene
AcneAlzheimer's Disease
Anxiety
Anxiety Disorders
Arthritis
Asthma
Bronchitis
Burns and Scalds
Cancer (natural therapy for)
Cancer (prevention)
Cancer Treatment (reducing side effects)
Cardiovascular Disease
Colds (antiviral)
Colds (decongestant)
Colds (general)
Colds (prevention)
Congestion (bronchial)
Congestion (lungs)
Congestion (sinus)
Cough (general)
Cough (spastic)
Cuts
Dandruff