What is Flagyl?

Flagyl is an antibiotic that is used to fight bacterial infections in body such as vagina, stomach, skin, joints, and respiratory tract.

Important Information

Below are a number of key points you should consider before taking Flagyl. As with all prescription drugs, consult a medical professional prior to starting to take Flagyl.

This medication will not treat a vaginal yeast infection.

Take this medication for the entire length of time prescribed by your doctor as your symptoms may get better before the infection is completely treated.

Flagyl will not treat a viral infection such as the common cold or flu.

Many antibiotic medicines can cause diarrhea. Although this is a side effect of the medicine, if may also be a sign of a new infection and you should speak with your doctor if you have diarrhea that is watery or has blood in it. Do not use any medicine to stop the diarrhea unless your doctor has told you to.

What should I know before taking Flagyl?

Below are guidelines you should follow when taking Flagyl:

You should tell your doctor if you have any of the following conditions before starting to take Flagyl as it may require a change in dosage: liver disease, a stomach or intestinal disease such as Crohn’s disease, a blood cell disorder such as anemia (lack of red blood cells) or leukopenia (lack of white blood cells), epilepsy or other seizure disorder, or nerve disorders.

You may need to have your blood tested often to ensure that Flagyl is not causing harmful effects and that your liver is functioning normally. Visit your doctor regularly.

This medication can cause unusual results with certain medical tests. Tell any doctor who treats you that you are under treatment with this medication.

Skipping doses may also increase your risk of further infection that is resistant to antibiotics

Ingredients

The active ingredient in Flagyl is metronidazole.

How it Works

Flagyl works by entering the bacterial or parasite cell, causing a chemical reaction to occur that produces free radicals—molecules that can damage and destroy cells.

Interactions

Using Flagylwith any of the following medicines is usually not recommended. If your doctor does prescribe both medicines together, he may change the dose or how often you take each medication.

seizure medication such as phenytoin (Dilantin) or phenobarbital (Luminal, Solfoton);

a blood thinner such as warfarin (Coumadin, Jantoven);

cimetidine (Tagamet);

lithium (Lithobid, Eskalith, others); or

disulfiram (Antabuse).

Of course, this list is not comprehensive and you should alert your doctor of any other medications that you are taking including prescription, over-the-counter, vitamins, and herbal products. It is also recommended that you not start taking any new medications without first discussing with your doctor.

Side effects of Flagyl (Metronidazole)

  • dry mouth or unpleasant metallic taste;
  • stomach pain, diarrhea;
  • vaginal itching or discharge;
  • dizziness, loss of balance;
  • cough, sneezing, runny or stuffy nose; or
  • swollen or sore tongue.

Of course, this list is not comprehensive and you should alert your doctor of any other medications that you are taking including prescription, over-the-counter, vitamins, and herbal products. It is also recommended that you not start taking any new medications without first discussing with your doctor.

Frequently Asked Questions

 Will Flagyl cure my cold or flu?

No. Flagyl is meant to treat bacterial infections within the body, not viral infections such as the common cold.

What’s in Flagyl

The active ingredient in Flagyl is metronidazole.

How does Flagyl work?

Flagyl works by entering the bacterial or parasite cell, causing a chemical reaction to occur that produces free radicals—molecules that can damage and destroy cells.

Are there any drugs I can’t take in combination with Flagyl?

Although your doctor may prescribe some of the following medications (in very regulated doses), you should generally not take the following medicines in conjunction with Flagyl: seizure medication such as phenytoin (Dilantin) or phenobarbital (Luminal, Solfoton), a blood thinner such as warfarin (Coumadin, Jantoven), cimetidine (Tagamet), lithium (Lithobid, Eskalith, others), or disulfiram (Antabuse).

Can Flagyl cause an allergic reaction? If so, what are the signs?

Seek immediate emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

What happens if I miss a dose of Flagyl?

Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up any missed doses.