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METRONIDAZOLE (me troe NI da zole) is an antiinfective. It is used to treat certain kinds of bacterial and protozoal infections. It will not work for colds, flu, or other viral infections.
Take this medicine by mouth with a full glass of water. Follow the directions on the prescription label. Do not crush or chew. Take this medicine on an empty stomach 1 hour before or 2 hours after meals or food. Take your medicine at regular intervals. Do not take your medicine more often than directed. Take all of your medicine as directed even if you think you are better. Do not skip doses or stop your medicine early.
Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.
Side effects that you should report to your doctor or health care professional as soon as possible:
allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
discolored or sore mouth
numbness, tingling, pain or weakness in the hands or feet
trouble passing urine or change in the amount of urine
redness, blistering, peeling or loosening of the skin, including inside the mouth
unusually weak or tired
vaginal irritation, dryness, or discharge
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
stomach pain or cramps
Do not take this medicine with any of the following medications:
alcohol or any product that contains alcohol
amprenavir oral solution
ritonavir oral solution
sertraline oral solution
This medicine may also interact with the following medications:
other medicines that prolong the QT interval (cause an abnormal heart rhythm)
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
Keep out of the reach of children.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Protect from light and moisture. Keep container tightly closed. Throw away any unused medicine after the expiration date.
They need to know if you have any of these conditions:
anemia or other blood disorders
disease of the nervous system
fungal or yeast infection
if you drink alcohol containing drinks
an unusual or allergic reaction to metronidazole, or other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
Tell your doctor or health care professional if your symptoms do not improve or if they get worse.
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells.
Avoid alcoholic drinks while you are taking this medicine and for three days afterward. Alcohol may make you feel dizzy, sick, or flushed.
If you are being treated for a sexually transmitted disease, avoid sexual contact until you have finished your treatment. Your sexual partner may also need treatment.
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