Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Fennel (Foeniculum vulgare) has a longstanding history in traditional medicine, particularly in Mediterranean, Middle Eastern, and Indian cultures, for addressing digestive complaints in children, including constipation. Traditional uses involve administering fennel tea or decoctions to infants and young children to relieve colic, bloating, and mild digestive discomforts. The rationale is based on fennel’s reputed carminative properties, which are believed to relax intestinal muscles and promote bowel movements.

However, scientific evidence specifically supporting fennel’s efficacy for treating constipation in children is limited. Some small clinical studies and reviews, mostly involving mixed herbal preparations (often including fennel, chamomile, and other herbs), report improvements in symptoms such as colic and abdominal discomfort, but not constipation per se. The key active compounds in fennel (anethole, fenchone, estragole) may exert mild antispasmodic and motility-enhancing effects, but robust pediatric trials targeting constipation are lacking. Safety concerns, particularly regarding essential oil concentrations and potential allergenic or estrogenic effects, also limit widespread recommendation in children.

In summary, while fennel is traditionally used for digestive complaints including constipation in children, the scientific evidence base is weak (rated 2/5) and primarily anecdotal or based on small, inconclusive studies. Clinical guidelines do not routinely recommend fennel for pediatric constipation, and its use should be approached with caution, especially in young infants.

More about fennel
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