Evidence supporting the use of: Alcohol
For the health condition: Colds (decongestant)

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Synopsis

Source of validity: Traditional
Rating (out of 5): 1

Alcohol has historically been used as a home remedy for colds, with individuals consuming hot toddies or spirits in the belief that it can relieve symptoms such as nasal congestion. The tradition likely stems from alcohol’s vasodilatory effects, which can produce a subjective feeling of warmth, and its mild sedative properties, which may help some people rest. In addition, alcoholic beverages mixed with hot water, lemon, and honey (such as in a hot toddy) may provide temporary soothing effects on the throat. However, there is no robust scientific evidence supporting alcohol as an effective decongestant or treatment for cold symptoms. In fact, alcohol can dehydrate mucous membranes and impair immune function, potentially worsening symptoms or prolonging illness. Modern clinical guidelines do not recommend alcohol for treating colds, and over-the-counter decongestants are preferred. While the use of alcohol in this context is rooted in tradition and anecdote, it lacks scientific validation, and its effectiveness is rated very low.

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