Flagyl 400 mg

Overview

Flagyl 400 mg is an antibiotic medication containing Metronidazole, widely used to treat bacterial and protozoal infections. It is effective against anaerobic bacteria and certain parasites, making it useful for treating infections of the gastrointestinal tract, reproductive organs, skin, joints, and respiratory system. Flagyl is often prescribed for conditions like **bacterial vaginosis**, **giardiasis**, **trichomoniasis**, and **intra-abdominal infections**.

Key Details

• Active Ingredient: Metronidazole
• Strength: 400 mg
• Form: Oral tablet
• Category: Nitroimidazole antibiotic
• Typical Course: 5–10 days, depending on infection

How It Works

Metronidazole works by entering bacterial or protozoal cells and disrupting their DNA synthesis, leading to cell death. It is particularly effective in low-oxygen environments, making it ideal for treating anaerobic infections.

Indications

• Amoebiasis (intestinal and liver)
• Giardiasis
• Trichomoniasis (in both men and women)
• Bacterial vaginosis and pelvic inflammatory disease
• Dental infections, skin infections, or post-operative infections
• In combination with other drugs for Helicobacter pylori eradication

Dosage & Administration

• Usual adult dose: 400 mg 2–3 times daily, depending on the infection
• Always take with a full glass of water
• Complete the full course even if symptoms improve early
• Avoid alcohol during treatment and for at least 48 hours after the last dose

Precautions

• Inform your doctor of any liver disease, seizures, or blood disorders
• Not recommended during the first trimester of pregnancy unless clearly needed
• May cause dizziness—use caution when driving or operating machinery
• Avoid alcohol to prevent a disulfiram-like reaction (nausea, flushing, vomiting)

Possible Side Effects

• Metallic taste, nausea, or vomiting
• Dizziness or headache
• Loss of appetite or stomach upset
• Dark urine (harmless but common)
• Rare: Seizures, nerve damage (with long-term use), allergic reaction

FAQs

Q1: What is Flagyl 400 mg used to treat?

A: It treats bacterial and parasitic infections such as amoebiasis, trichomoniasis, and bacterial vaginosis.

Q2: Can I drink alcohol while taking Flagyl?

A: No. Alcohol should be strictly avoided as it can cause severe nausea, vomiting, and cramps when combined with Metronidazole.

Q3: How quickly does it work?

A: Symptoms often improve within a few days, but you should complete the full course to prevent resistance.

Q4: Is it safe during pregnancy?

A: It’s generally avoided in the first trimester unless necessary. Always consult your doctor.

Q5: Can it be taken with food?

A: Yes. Taking it with food can help reduce stomach upset.