First-Metronidazole 100; First-Metronidazole 50; Flagyl; Flagyl ER; Metro
Flagyl; Metronidazole Injection USP; Novo-Nidazol; PMS-Metronidazole
- Metronidazole has been shown to cause cancer in mice and rats with long-term use. Talk with the doctor.
- Do not use this drug for other health problems.
- It is used to treat infections.
- It is used to prevent infections during bowel surgery.
- It may be given to your child for other reasons. Talk with the doctor.
- If your child has an allergy to this drug or any part of this drug.
- If your child is allergic to any drugs like this one or any other drugs, foods, or other substances. Tell the doctor about the allergy and what signs your child had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
- If your child has taken disulfiram within the past 2 weeks.
If your child is less than 12 weeks pregnant:
- This drug is not for use in certain patients who are less than 12 weeks pregnant.
If your child is breast-feeding a baby:
- Talk with the doctor if your child is breast-feeding a baby or plans to breast-feed a baby.
- Tell all of your child’s health care providers that your child is taking this drug. This includes your child’s doctors, nurses, pharmacists, and dentists.
- Have blood work checked as you have been told by the doctor. Talk with the doctor.
- This drug may affect certain lab tests. Tell all of your child’s health care providers and lab workers that your child takes this drug.
- This drug may affect how much of some other drugs are in the body. If your child is taking other drugs, talk with the doctor. Your child may need to have blood work checked more closely while taking this drug with other drugs.
- Alcohol interacts with this drug. Be sure your child does not drink alcohol. Be sure your child does not take products that have alcohol or propylene glycol in them while taking this drug and for at least 72 hours after the last dose. Drinking alcohol or taking products that have alcohol or propylene glycol in them, like some cough syrups, may cause cramps, upset stomach, headaches, and flushing.
- Do not give to your child longer than you have been told. A second infection may happen.
If your child is pregnant:
- Tell the doctor if your child is pregnant or becomes pregnant. You will need to talk about the benefits and risks of your child using this drug while pregnant.
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Change in balance.
- Dizziness or passing out.
- Trouble speaking.
- Change in eyesight.
- Feeling irritable.
- Low mood (depression).
- Feeling tired or weak.
- Not able to sleep.
- Redness or white patches in mouth or throat.
- Some people who took this drug for a long time have had nerve problems that lasted for a long time. Call the doctor right away if your child has a burning, numbness, or tingling feeling that is not normal.
- This drug may raise the chance of a very bad brain problem called aseptic meningitis. Call the doctor right away if your child has a headache, fever, chills, very upset stomach or throwing up, stiff neck, rash, bright lights bother the eyes, feeling sleepy, or change in thinking clearly and with logic.
- Pain and irritation where this drug goes into the body.
- Swelling in hands or feet.
- Upset stomach or throwing up.
- Loose stools (diarrhea).
- Hard stools (constipation).
- Not hungry.
- Stomach cramps.
- Metallic taste.
All oral products:
- To gain the most benefit, do not miss giving your child doses.
- Keep giving this drug to your child as you have been told by your child’s doctor or other health care provider, even if your child feels well.
- Give this drug with or without food. Give with food if it causes an upset stomach.
- Give on an empty stomach. Give 1 hour before or 2 hours after meals.
- Have your child swallow whole. Do not let your child chew, break, or crush.
- It is given as an infusion into a vein over a period of time.
All oral products:
- Give a missed dose as soon as you think about it.
- If it is close to the time for your child’s next dose, skip the missed dose and go back to your child’s normal time.
- Do not give 2 doses at the same time or extra doses.
- Call your child’s doctor to find out what to do.
All oral products:
- Store at room temperature.
- Store in a dry place. Do not store in a bathroom.
- If you need to store this drug at home, talk with your child’s doctor, nurse, or pharmacist about how to store it.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Check with your pharmacist about how to throw out unused drugs.
- If your child’s symptoms or health problems do not get better or if they become worse, call your child’s doctor.
- Do not share your child’s drug with others and do not give anyone else’s drug to your child.
- Keep a list of all your child’s drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your child’s doctor.
- Talk with your child’s doctor before giving your child any new drug, including prescription or OTC, natural products, or vitamins.
- Some drugs may have another patient information leaflet. If you have any questions about this drug, please talk with your child’s doctor, nurse, pharmacist, or other health care provider.
- If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.