Garlic (Allium sativum) in general practice

GARLIC’S medicinal properties for the prevention and treatment of diseases are recorded in many ancient medical texts.1  

Garlic has a long tradition of use to boost the immune system and may have antimicrobial and antiviral properties.2,3 

A Cochrane review identified one trial of 146 participants and found once-daily garlic ingestion (180mg of allicin content) for three months was useful in reducing the frequency and duration of illness of the common cold compared with placebo, although there were no differences in the duration of cold symptoms in both groups. The reviewers concluded that no firm conclusions could be made with this one trial.4 

Early research suggests topical use of ajoene (a compound of garlic) may have potential antimycotic activity for tinea.5,6

Garlic extract has a mild antihypertensive effect. A recent meta-analysis of 11 trials demonstrated aged

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