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What is Metronidazole used for?

Metronidazole is an antibacterial medication used to treat infections of the vagina, stomach, skin, brain, blood, bones, joints, lung, heart, and respiratory tract. It belongs to a class of antibiotics known as nitroimidazoles. Metronidazole works by stopping the growth of bacteria and protozoa in your body. This medicine may also be used to treat other conditions as determined by your doctor.

What is the recommended dosage of Metronidazole?

The dosage of Metronidazole prescribed to each patient will vary. Always follow your physician’s instructions and/or the directions on the prescription drug label.

Metronidazole can be taken with or without food.

What if you miss a dose of Metronidazole?

If your physician has instructed or directed you to take Metronidazole medication in a regular schedule and you have missed a dose of this medicine, take it as soon as you remember. However, if it is almost time for your next dose, then skip the missed dose and go back to your regular dosing schedule. Do not double the doses unless otherwise directed.

What if you overdose on Metronidazole?

Any medication taken in excess can have serious consequences. If you suspect an overdose of Metronidazole, seek medical attention immediately.

What other drugs could interact with Metronidazole?

It may be noted that drugs other than those listed above may also interact with Metronidazole.

Usually drug interactions occur when it is taken with another drug or with food. Before you take a medication for a particular ailment, you should inform the health expert about intake of any other medications including non-prescription medications, over-the-counter medicines that may increase the effect of Metronidazole, and dietary supplements like vitamins, minerals and herbal, so that the doctor can warn you of any possible drug interactions.

Metronidazole can interact with seizure medications and blood thinners.

Do let your doctor know if you smoke, consume alcohol or caffeinated drinks, or use illegal drugs as these may interfere with the action of your medication. Make sure to inform your doctor of any medical conditions you may have, or any family history of medical problems. Do not start or stop using any medicine without consulting your doctor.

What are the side effects of Metronidazole?

Like other medicines, Metronidazole can cause some side effects. If they do occur, the side effects of Metronidazole are most likely to be minor and temporary. However, some may be serious and may require the individual to inform the doctor or visit the nearest hospital immediately.

It is pertinent to note that side effects of Metronidazole cannot be anticipated. If any side effects of Metronidazole develop or change in intensity, the doctor should be informed as soon as possible.

Metronidazole can cause side effects such as loss of appetite, nausea, vomiting, headache, abdominal cramps, constipation, unpleasant metallic taste, dry mouth, and diarrhea. This is not a complete list of all side effects. Do concur with your doctor and follow his directions completely when you are taking Metronidazole.

What are the questions to ask your doctor before taking Metronidazole?

Is it possible for me to take Metronidazole with other drugs?
Should certain beverages, foods and other products be avoided when I take Metronidazole?
What are the possible drug interactions of Metronidazole?
How will Metronidazole work in my body?
How should Metronidazole be taken?
How to reduce the risk of Metronidazole drug interactions and side effects?


The health and medical information provided here is intended to supplement and not substitute for the expertise and judgment of your physician, pharmacists or other health care professional. It should not be understood to indicate that the use of Metronidazole is safe, appropriate or effective for you. Always consult your health care professional before using this, or any other, drug.


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