What is metronidazole?
Metronidazole is an antibiotic. It fights bacteria in your body.
Metronidazole is used to treat bacterial infections of the vagina, stomach, skin, joints, and respiratory tract. This medication will not treat a vaginal yeast infection.
Metronidazole may also be used for purposes not listed in this medication guide.
What is the most important information I should know about metronidazole?
Take this medication for the full prescribed length of time. Your symptoms may improve before the infection is completely cleared. Skipping doses may also increase your risk of further infection that is resistant to antibiotics. Metronidazole will not treat a viral infection such as the common cold or flu.
Do not drink alcohol while you are taking metronidazole and for at least 3 days after you stop taking it. You may have unpleasant side effects such as fast heartbeats, warmth or redness under your skin, tingly feeling, nausea, and vomiting.
What should I discuss with my healthcare provider before taking metronidazole?
You should not use this medication if you are allergic to metronidazole, or if you are in the first trimester of pregnancy. Tell your doctor if you are pregnant or plan to become pregnant during treatment.
Before taking metronidazole, tell your doctor if you are allergic to any drugs, or if you have:
liver disease;
a stomach or intestinal disease such as Crohn's disease;
a blood cell disorder such as anemia (lack of red blood cells) or leukopenia (lack of white blood cells);
epilepsy or other seizure disorder; or
nerve disorders.
If you have any of these conditions, you may need a dose adjustment or special tests to safely take this medication.
Metronidazole can pass into breast milk and may harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.