METRONIDAZOLE (Injection) (Injectable)

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METRONIDAZOLE (Injection) (Injectable) Drug and Prescription Information

METRONIDAZOLE (Injection) (Injectable)

METRONIDAZOLE (Injection) (Injectable) Medication Classification


METRONIDAZOLE (Injection) (Injectable) Brandname

Flagyl I.V., Flagyl I.V. RTU, Metronidazole

METRONIDAZOLE (Injection) (Injectable) is used for the Treatment

Metronidazole (me-troe-NI-da-zole) Treats infections caused by bacteria.

When To Not Use METRONIDAZOLE (Injection) (Injectable)

You should not use this medicine if you have ever had an allergic reaction to metronidazole.

How Should You Use METRONIDAZOLE (Injection) (Injectable)


  • Your doctor will prescribe your exact dose and tell you how often it should be given.
  • An IV infusion is medicine that is put directly into your body through one of your veins.
  • This medicine should be given by a person trained to give IV medicine, such as a nurse. Sometimes you, a family member, or friend can be taught to give your medicine.
  • If a dose is missed:
  • Use your medicine as soon as you remember that you have missed your dose, and take the rest of your doses for the day at evenly spaced time intervals.
  • You should not use two doses at the same time.

Proper METRONIDAZOLE (Injection) (Injectable) Storage

Store METRONIDAZOLE (Injection) (Injectable) at room temperature away from sunlight and moisture unless otherwise stated by manufacturer's instructions or labelling. Keep METRONIDAZOLE (Injection) (Injectable) and all medications out of the reach of children.

What To Avoid While Using METRONIDAZOLE (Injection) (Injectable)

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

  • Make sure your doctor knows if you are taking barbiturates (phenobarbital, Fiorinal®, Brevital®, Mysoline®, Seconal®), Antabuse®, phenytoin (Dilantin®), or blood thinners (Coumadin®).
  • Avoid drinking alcohol while taking metronidazole. This includes cough syrup or any other liquid that might contain alcohol. Alcohol in combination with this medicine can make you very sick and cause vomiting, dizziness, and flushing.

METRONIDAZOLE (Injection) (Injectable) Warnings

  • If you are pregnant or breastfeeding, talk with your doctor before using this medicine.
  • Before using this medicine, make sure your doctor knows if you have liver disease, a blood disorder, heart problems, swelling or bloating, a seizure disorder (epilepsy), or numbness in your hands or feet.
  • Tell your doctor or dentist you are using metronidazole before you have any kind of surgery that requires general anesthesia.
  • If your infection does not improve or gets worse after taking this medicine for several days, or if you continue to have fevers, talk to your doctor.

METRONIDAZOLE (Injection) (Injectable) Side Effects

Call your doctor right away if you notice any of these side effects:

  • Seizures (convulsions)
  • Numbness or tingling in hands or feet
  • Itching, rash, or hives
  • Pain or swelling where the IV is given
  • If you notice these less serious side effects, talk with your doctor:
  • Nausea, vomiting, diarrhea
  • Metallic taste in your mouth
  • Headache
  • Dark-colored urine
  • Dizziness, lightheadedness

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METRONIDAZOLE (Injection) (Injectable)

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Karen Smith, Fort Collins CO - 02/11/2011

I had Colitis and was put on Flagyl for 10 days. I have never been so sick in my life! This is the worse antibotic I have ever taken in my life. Unfortainly this is the only drug that can kill bacteria. You feel like you have the flu, don't want to eat, very sick to your stomach, tired, headaches and very forgetfull. It really makes you goofy.

I then had the same systems 5 days later and got C-Diff. My Gastronoligist doctor said I had to go back on it for 14 days!!!

Never ever again will I take this drug.