Synopsis

Source of validity: Scientific
Rating (out of 5): 4

Peppermint oil is supported by scientific evidence for use in treating tension-type headaches. The primary active ingredient, menthol, has a well-documented physiological effect: it creates a cooling sensation on the skin and can relax underlying muscles. Multiple randomized controlled trials have found that topical application of peppermint oil (typically a 10% solution in ethanol) to the forehead and temples can significantly reduce headache intensity in patients with tension-type headaches. These studies suggest that peppermint oil works by stimulating cold receptors, leading to increased blood flow and muscle relaxation, as well as by modulating pain signals.

A notable study published in Cephalalgia (1996) demonstrated that peppermint oil was as effective as acetaminophen in reducing headache pain when applied topically. The German Commission E, a regulatory body overseeing herbal medicines, has approved peppermint oil for tension-type headache based on both traditional use and clinical evidence.

Overall, peppermint oil is considered a safe and effective first-line option for mild to moderate tension headaches, especially for those seeking non-pharmacological approaches. However, it should not be ingested or applied near the eyes, and care should be taken to avoid skin irritation. The evidence for its use is robust, though most studies focus on topical application rather than oral use.

More about Peppermint
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Other ingredients used for Headache (tension)

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