Metro I.V.

Name: Metro I.V.

Metro I.V. Overview

Metronidazole is a prescription medication used to treat infections of the reproductive system, gastrointestinal tract, respiratory system, skin, bones and joints, and other areas of the body. Metronidazole may also be used to prevent postoperative infections.

Metronidazole is also available as an over-the-counter medication. The over-the-counter form is used to treat bacterial infections of the vagina. This medication page refers to the prescription forms of metronidazole.

Metronidazole belongs to a group of drugs called nitroimidazole antibiotics. These work by killing organisms that cause infections.

Metronidazole comes in oral, topical, and injectable forms. The directions and frequency of use will vary with the indication for metronidazole.

Do not chew, divide, or break extended release metronidazole tablets. Swallow these tablets whole.

The injectable form of metronidazole will be given directly into a vein (IV) by a healthcare professional.

Common side effects of metronidazole include vomiting, upset stomach, diarrhea, loss of appetite, dry mouth or mouth irritation, and numbness or tingling of the hands and feet.

Metronidazole can also cause dizziness. Do not drive or operate heavy machinery until you know how metronidazole affects you.

Metro I.V. Drug Class

Metro I.V. is part of the drug classes:

  • Antiinfectives and antiseptics for local oral treatment

  • Other chemotherapeutics

Metro I.V. and Pregnancy

Tell your doctor if you are pregnant or plan to become pregnant.

The FDA categorizes medications based on safety for use during pregnancy. Five categories - A, B, C, D, and X, are used to classify the possible risks to an unborn baby when a medication is taken during pregnancy.

Metronidazole falls into category B. There are no well-done studies that have been done in humans with metronidazole. In animal studies, pregnant animals were given this medication, and the babies did not show any medical issues related to this medication.

Metro I.V. and Lactation

Tell your doctor if you are breastfeeding or plan to breastfeed.

Metronidazole has been detected in human breast milk. Because of the possibility for adverse reactions in nursing infants from metronidazole, a choice should be made whether to stop nursing or to stop use of this medication. The importance of the drug to the mother should be considered.


Metro I.V. Usage

Take or use metronidazole exactly as prescribed. Do not drink alcohol while taking or using any form of metronidazole. Alcohol can cause upset stomach, vomiting, stomach cramps, headaches, sweating, and flushing when used at the same time as metronidazole.

Oral forms:

Metronidazole comes in tablet and capsule forms and is taken two or three times a day. Take metronidazole with food to minimize stomach upset.  Do not chew, divide, or break extended release metronidazole tablets. Swallow metronidazole tablets whole.

Topical forms:

Metronidazole comes in gel, cream, and lotion forms and is applied to the skin one or two times a day. The affected skin should be washed with mild soap 15-20 minutes before applying metronidazole. The gel, cream, or lotion should be applied in a thin layer and gently rubbed into the skin. Moisturizers and cosmetics may be applied once the gel, cream, or lotion has dried.

Topical metronidazole may increase sensitivity to sunlight. Avoid unnecessary or prolonged exposure to sunlight. Wear protective clothing, sunscreen, and sunglasses.

Injectable forms:

Metronidazole is available in an injectable form to be given directly into a vein (IV) by a healthcare professional.

If you miss a dose, take the missed dose as soon as you remember. If it is almost time for the next dose, skip the missed dose and take your next dose at the regular time. Do not take two doses of metronidazole at the same time.

Metro I.V. FDA Warning

Metronidazole has been shown to be carcinogenic in mice and rats. Unnecessary use of the drug should be avoided.