| Brand Name | Flagyl |
| Generic Name | Metronidazole |
| Drug Class | Nitroimidazole Antibiotic |
| Availability | Prescription |
| Manufacturer | Pfizer |
| Indications | Giardiasis, Amoebiasis, Clostridium difficile Infection |
| Type | Tablet, Oral Solution, IV |
| Doses | 250-500 mg 3 times daily (for giardiasis) |
| Route | Oral, IV |
| Side Effects | Nausea, metallic taste, headache, dizziness, GI upset |
| Interactions | May increase effects of warfarin; avoid alcohol |
| Overdose | Nausea, neuropathy, seizures. |
| Missed Dose | Take ASAP. Don’t double dose. |
| Contraindications | Pregnancy (first trimester), alcohol use |
| Alternatives | Tinidazole, Clarithromycin |
| Co-Pay Assistance Program | Available Rx |
| Patient Assistance Program | Not available |
Dr. Bharat Pothuri is a Board-Certified Gastroenterologist and Hepatologist. With extensive experience in digestive health, he specializes in advanced endoscopic procedures, chronic GI disorder management, and preventive care. Dr. Pothuri is dedicated to providing expert, patient-focused insights to help improve gut health and overall well-being.
Metronidazole is used to treat bacterial and parasitic infections, including infections caused by anaerobic bacteria.
Metronidazole works by inhibiting the DNA synthesis in bacteria and parasites, effectively killing them.
Common side effects include nausea, headache, and a metallic taste in the mouth.
Yes, Metronidazole can be taken with or without food, although it is better absorbed with food.
Metronidazole should be used during pregnancy only when absolutely necessary. Consult your doctor.
If you miss a dose, take it as soon as you remember, unless it's close to your next dose.
Yes, Metronidazole can interact with alcohol, warfarin, and certain other drugs, increasing the risk of side effects.
The duration of treatment depends on the infection being treated. Follow your doctor�s instructions.
Metronidazole is generally used for short-term treatment, but long-term use should be monitored closely by a healthcare provider.
Metronidazole typically starts working within hours after administration, with improvement expected within a few days.
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