A member asked:

How long do 4 metronidazole 500mg tablets stay in your system? in terms of days. example, i take it today, sunday. when is it safe to have alcohol?

A doctor has provided 1 answer
Dr. Hunter Handsfield answered

Specializes in Infectious Disease

A day or two: Actually, metronidazole doesn't usually react with alcohol at all. Most doctors have been taught that it does and tell patients to avoid alcohol because the combination can cause nausea an vomoting. But that advice is based on old, outdated research. it really isn't necessary. Alcohol in moderation for sure is safe 24 hours or more after taking metronidazole.

Answered 8/1/2019

1.8k views

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