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Taekit Medical
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Metronidazole (Flagyl)

500 mg

Antibiotic18+

Stop: Call 911 or get emergency help

Trouble breathing; face/lip/tongue swelling; blistering/peeling rash or mouth/eye sores; seizure; severe confusion or trouble walking; severe belly pain/hard belly; bloody vomit/black stools.

Seek medical help first

Use this information only if you are unable to contact your provider. Then, contact your provider as soon as possible.

What it may treat & how much to take

  1. 1

    Bacterial vaginosis (BV)

    Gray/white discharge; fishy odor after sex; little/no itch or burn. Both partners need treatment.

    Take 1 tablet twice a day for 7 days.

  2. 2

    Trichomonas (Trich)

    Sexually transmitted infection with discharge, odor, itch, soreness, or burning. Both partners need treatment.

    Women: 1 tablet twice daily for 7 days. Men: 4 tablets once.

  3. 3

    Giardia

    Foul watery diarrhea lasting more than 1 week; gas/burping/bloat; usually no fever.

    Take 1 tablet twice a day for 5–7 days. Drink plenty of fluids.

  4. 4

    Blood in stool or high fever

    Loose stools with blood/mucus, high fever, bad cramps, or feeling very ill.

    Get care ASAP. Do not use without provider advice.

  5. 5

    Diverticulitis

    Only if diagnosed before: lower-left belly pain, fever/chills, nausea, bowel changes, tender belly.

    Take 1 tablet 3 times daily for 7 days AND ciprofloxacin twice daily. Contact your provider immediately.

How to take it

Take with food or water. Space doses evenly. Never double a missed dose.

Important information

NO ALCOHOL during treatment or for 3 days after. Trich partners need treatment; no sex until treatment is finished and symptoms are gone.

Common side effects

Metal taste; nausea/vomiting; appetite loss; cramps; diarrhea/constipation; headache/dizziness; dark urine; vaginal yeast infection.

Do not take if

Allergy to metronidazole or tinidazole; disulfiram in past two weeks; Cockayne syndrome.

Ask your provider or pharmacist first if

Liver/kidney disease; nerve problems/seizures; warfarin, lithium, phenytoin, phenobarbital, busulfan, or heart-rhythm medicines.

If pregnant or breastfeeding

Contact your provider. Treatment depends on infection and pregnancy stage. Tell your provider if breastfeeding.

Educational reference only. Contents, availability, and clinical eligibility vary. A prescription is issued only when clinically appropriate. This information is not medical advice.