metronidazole antibiotic

Generic Name: metronidazole

Brand: Flagyl, Flagyl Emergency Room, Metro IV (ceased), Metromidol (terminated), Protostat (ceased), as well as Satric ( terminated)

Drug Class: Nitroimidazoles

What is metronidazole, as well as what is it utilized for?

Metronidazole is an antibiotic efficient versus specific bloodsuckers as well as anaerobic germs. Anaerobic germs are single-celled, living microorganisms that prosper in settings in which there is little oxygen (anaerobic settings). Anaerobic germs can create illness in the abdominal area (microbial peritonitis), liver (liver abscess), and also hips (abscess of the ovaries as well as the Fallopian tubes).

Giardia lamblia and also ameba are digestive bloodsuckers that can create stomach discomfort and also looseness of the bowels in contaminated people. Trichomonas is a genital bloodsucker that triggers swelling of the vaginal area (vaginitis). Metronidazole precisely obstructs several of the features within the microbial cells and also the bloodsuckers leading to their fatality.


  • Metronidazole is made use of to deal with parasitical infections consisting of Giardia infections of the tiny intestinal tract, amebic liver abscess, and also amebic dysentery (infection of the colon creating bloody looseness of the bowels), microbial vaginosis, trichomonas genital infections, and also service providers of trichomonas (both sex-related companions) that do not have signs and symptoms of infection.
  • Metronidazole is additionally utilized alone or in mix with various other prescription antibiotics in dealing with abscesses in the liver, mind, hips, as well as abdominal area brought on by prone anaerobic germs.
  • Metronidazole is likewise made use of in dealing with infection of the colon brought on by a microorganism called C. difficile. Several commonly-used prescription antibiotics can modify the kind of germs that populate the colon. C. difficile When the regular kinds of germs in the colon are prevented by typical prescription antibiotics, is an anaerobic microorganism that can contaminate the colon. This brings about swelling of the colon (pseudomembranous colitis) with serious looseness of the bowels as well as stomach discomfort.)
  • Metronidazole likewise is utilized in mix with various other medications to deal with Helicobacter pylori (H. pylori), which creates tummy or intestinal tract abscess.
  • Metronidazole topical gel is made use of for dealing with acne rosacea.
  • Metronidazole genital gel is utilized for dealing with microbial vaginosis.

What are the adverse effects of metronidazole?

Metronidazole is a beneficial antibiotic as well as is usually well endured with proper usage.

One of the most small as well as usual negative effects consist of:

Side impacts that are awkward, however might end up being major consist of:

Serious adverse effects of metronidazole are unusual as well as the medicine ought to be quit if these signs show up:

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What is the dose for metronidazole?

  • Metronidazole might be taken by mouth with or without food.
  • In the health center, metronidazole can be provided intravenously to deal with major infections.
  • The liver is largely in charge of removing metronidazole from the body, as well as dosages might require to be lowered in clients with liver condition as well as irregular liver feature.

Numerous metronidazole routines are made use of. Some instances are listed here.

  • Amebic dysentery: 750 mg by mouth 3 times daily for 5-10 days
  • Amebic liver abscess: 500-750 mg by mouth 3 times daily for 5-10 days
  • Anaerobic infections: 7.5 mg/kg by mouth or by shot every 6 hrs for 7 to 10 days not to surpass 4 grams daily.
  • Microbial vaginosis: 750 mg (prolonged launch tablet computers) daily for 7 days or 500 mg two times daily for 7 days or 2 g solitary dosage or one applicator-full of 0.75% genital gel, one or two times daily for 5 days.
  • Clostridium difficile infection: 250-500 mg by mouth 4 times 500-750 or day-to-day by mouth 3 times daily
  • Giardia: 250 mg by mouth 3 times daily for 5 days Helicobacter pylori: 800-1500 mg by mouth daily for a number of days in mix with various other medications.
  • Pelvic inflammatory illness (PID): 500 mg by mouth two times day-to-day for 14 days in mix with various other medications.
  • Trichomoniasis: 2 g solitary dosage or 1 g two times
  • Rosacea: use topical gel 0.75-1% daily

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What medicines engage with this medicine?

  • Alcohol must be prevented since metronidazole and also alcohol with each other can trigger serious nausea or vomiting, throwing up, pains, flushing, as well as migraine.
  • Metronidazole can enhance the blood-thinning results of warfarin as well as boost the threat of hemorrhaging most likely by lowering the malfunction of warfarin.
  • Cimetidine (Tagamet) rises blood degrees of metronidazole while cholestyramine minimizes blood degrees of metronidazole by decreasing its absorption.
  • Metronidazole ought to not be incorporated with amprenavir (Agenerase) for dealing with human immunodeficiency illness (infection with HIV) due to the fact that amprenavir has propylene glycol.
  • Metronidazole obstructs the break down of propylene glycol in the liver bring about build-up of propylene glycol in blood. Build-up of propylene glycol can create seizures, raised heart price, as well as result in kidney failing.
  • Metronidazole enhances the blood degrees of carbamazepine (Tegretol, Tegretol XR, Equetro, Carbatrol), lithium (Eskalith, Lithobid) as well as cyclosporine Unidentified systems. Severe responses might happen if these medications are taken with metronidazole.

Maternity as well as breastfeeding

  • Metronidazole is not made use of in very early maternity due to prospective unfavorable impacts on the unborn child.
  • Metronidazole is secreted in bust milk. Women that are taking care of, as a result of prospective negative impacts on the newborn, need to not make use of metronidazole.

What else should I understand about metronidazole?

Do I require a prescription for metronidazole?
What prep work of metronidazole are readily available?
  • Tablet computers: 250 and also 500 mg.
  • Tablet computers, expanded launch: 750 mg.
  • Pill: 375 mg.
  • Lotion: 0.75% and also 1%.
  • Cream: 0.75%.
  • Gel: 0.75% as well as 1%.
  • Shot: 5 mg/ml
Exactly how should I maintain metronidazole kept?
  • Metronidazole needs to be saved at area temperature level and also secured from light.
When was metronidazole accepted by the FDA?
  • The FDA authorized metronidazole tablet computers in July 1963.


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Clinically Reviewed on 6/23/2022



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