In most cases, side effects such as these are minor and easily treated. However, you should notify your healthcare provider right away if you are taking Flagyl and you develop serious reactions, such as seizures; breathing problems; or paralysis of an arm, leg, foot, or hand.
It is also important to know that Flagyl can cause other problems (such as drug interactions) and may not be suitable for some people. Therefore, make sure your healthcare provider is aware of any medical condition you have and any other medications you are taking, including nonprescription medicines, herbal supplements, and vitamins.
(Click Flagyl Side Effects and Flagyl Warnings and Precautions for a more complete list of possible reactions, including other potentially serious problems with this drug that require immediate medical attention. These articles also discuss who may not be able to safely use this antibiotic.)
Written by/reviewed by: Kristi Monson, PharmD;Arthur Schoenstadt, MD
Last reviewed by: KristiMonson, PharmD;
List of references (click here):
Flagyl [package insert]. New York, NY: Pfizer, Inc.;2006 August.
Flagyl ER [package insert]. New York, NY: Pfizer, Inc.;2006 August.
Flagyl 375 [package insert]. New York, NY: Pfizer, Inc.;2006 August.
Visapää JP, Tillonen JS, Kaihovaara PS, Salaspuro MP. Lack of disulfiram-like reaction with metronidazole and ethanol. Ann Pharmacother 2002;36(6):971-4.
Williams CS, Woodcock KR. Do ethanol and metronidazole interact to produce a disulfiram-like reaction? Ann Pharmacother 2000;34(2):255-7.
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