Metronidazole - Drug Information

Generic Name : Metronidazole | Pronunciation : me, troe, ni', da, zole
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Latest prescription information about Metronidazole. Learn how to pronounce the drug's name, its indications, dosage, how to take, when to take, when not to take, side effects, special precautions, its storage instructions and warnings if any when taken during pregnancy. Also listed are the International and Indian trade name(s) of the drug and its price list.
ICD Code : Y41 | Therapeutic Classification : Miscellaneous Anti- Infectives
Drug Information

Trade Name(s): 

India : 


International : 

Metronidazole Oral, MetroGel Vaginal, Vandazole, MetroLotion

Why it is prescribed : 

This medication is an antibacterial agent, prescribed for trichomoniasis, amebiasis and other bacterial infections.  It fights against bacteria in the body.

When it is not to be taken (Contraindications): 


Pregnancy Category :






Category B :

Animal studies have failed to demonstrate a risk to the fetus and appropriate studies on pregnant women are lacking.

Dosage & When it is to be taken (Indications): 

PO- One-day treatment - two grams of flagyl, given either as a single dose or in two divided doses of one gram each given in the same day.
Seven-day course of treatment�250 mg three times daily for seven consecutive days.
Vaginal Gel- one applicator is administered intravaginally once a day for 5 days.

How it should be taken : 

It comes as a tablet to take by mouth, with or without food. It also comes as vaginal gel, to be introduced into the vagina.

Warnings and Precautions : 

Caution should be exercised in patients with history of nerve, brain, Crohn�s disease, liver impairment, seizures, heart disease, any allergy, who are taking other medications, elderly, children, during pregnancy and breastfeeding.
It may cause dizziness, do not drive a car or operate machinery while taking this medication.
Avoid alcohol consumption.
Avoid long-term use of this medication; otherwise it may cause secondary infection.

Side Effects : 

   Most common
- Headache, loss of appetite, vomiting, diarrhea and abdominal cramping.

- Decrease in white blood cells and platelets.

- ECG changes.

   Central Nervous System
- Brain disease, seizures, eye nerve problems, dizziness, unsteadiness, in coordination, confusion, irritability, depression, weakness and sleeplessness.

- Hives, rash, Stevens-Johnson syndrome, skin death, flushing, nasal congestion, dryness of the mouth and fever.

- Painful urination, bladder inflammation, adequate urination and incontinence.

Other Precautions : 

Avoid excess dosage.

Storage Conditions : 

Store this medication at room temperature, out of reach of children.

Schedule : H

Prescription drugs - Drugs to be sold only under the prescription of a Registered Medical Practitioner.


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