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Metronidazole - Indications, Dosage, Side Effects and Precautions

Written & Compiled by Anushta Chandrapalan, M.Sc  | Medically Reviewed by The Medindia Medical Review Team
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Information about Metronidazole

Generic Name : Metronidazole
Pronunciation : me, troe, ni', da, zole
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, warnings and its storage instructions . 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
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Trade Names/Brand Names of Metronidazole

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Why is Metronidazole Prescribed? (Indications)

This medication is an antibacterial agent, prescribed for trichomoniasis, amebiasis and other bacterial infections.  It fights against bacteria in the body.
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When should Metronidazole not be taken? (Contraindications)

Hypersensitivity.

What is the dosage of Metronidazole?

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 should Metronidazole 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.

What are the warnings and precautions for Metronidazole?

• 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.

What are the side effects of Metronidazole?

   Most common : Headache, loss of appetite, vomiting, diarrhea and abdominal cramping.
   Blood : Decrease in white blood cells and platelets.
   Heart : ECG changes.
   Central Nervous System : Brain disease, seizures, eye nerve problems, dizziness, unsteadiness, in coordination, confusion, irritability, depression, weakness and sleeplessness.
   Hypersensitivity : Hives, rash, Stevens-Johnson syndrome, skin death, flushing, nasal congestion, dryness of the mouth and fever.
   Genitourinary : Painful urination, bladder inflammation, adequate urination and incontinence.

What are the other precautions for Metronidazole?

Avoid excess dosage.

What are the storage conditions for Metronidazole?

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.
Last Updated : Jun 2018
Learn more about Metronidazole's interaction with Alcohol

Metronidazole (Flagyl): Antiprotozoal Drug to Treat Amebic Dysentery and Vaginal Infections




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