Bactrim vs Flagyl
Did you mean taking both Bactrim and Flagyl?
Bactrim is an antibiotic.
Flagyl is an anti infectious agent.
July 30, 1973
July 18, 1963
Number of discussions around the web Number of discussions + -
Side Effects and Concerns
Pregnancy Category (FDA) OpenClose all pregnancy categories
Adequate and well-controllted studies have failed to demonstrate a risk to the fetus in the first trimester of pregnancy (and there is no evidence of risk in later trimesters).
Animal reproduction studies have failed to demonstrate a risk to the fetus and there are no adequate and well-controlled studies in pregnant women.
Animal reproduction studies have shown an adverse effect on the fetus and there are no adequate and well-controlled studies in humans, but potential benefits may warrant use of the drug in pregnant women despite potential risks.
There is positive evidence of human fetal risk based on adverse reaction data from investigational or marketing experience or studies in humans, but potential benefits may warrant use of the drug in pregnant women despite potential risks.
Studies in animals or humans have demonstrated fetal abnormalities and/or there is positive evidence of human fetal risk based on adverse reaction data from investigational or marketing experience, and the risks involved in use of the drug in pregnant women clearly outweigh potential benefits.
FDA has not classified the drug.
Before taking Bactrim during pregnancy, consult your doctor or pharmacists to weigh the risks and benefits.
Before taking Flagyl during pregnancy, consult your doctor or pharmacists to weigh the risks and benefits.
There may be a negative interaction between Bactrim and alcohol.
Alcohol consumption while on metronidazole can result in side effects such as facial flushing, sweating, nausea, vomiting, palpitations, low blood pressure and headache (disulfiram-like reaction). Reports suggest that some patients experience giddiness and excitement and may abuse this combination.
Method of use
Solution: 80-400 mg/5 mL, 400-80 mg/5 mL
Suspension: 40-200 mg/5 mL, 200-40 mg/5 mL
Tablet: 400-80 mg, 800-160 mg
Tablet: 250 mg, 500 mg, 750 mg
Capsule: 375 mg
No Food Instructions
Avoid alcohol while taking this drug because it increases alcohol's effect and toxicity.
Interaction between Bactrim and Flagyl: Interaction not known, but may still exist. Always consult your doctor before taking these medications together. Do not stop taking the medications without a physician's advice.
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