Brand Name
Apo-Metronidazole
Common Name
metronidazole
In this drug factsheet:
DIN (Drug Identification Number)| 00545066 | APO METRONIDAZOLE 250MG TABLET |
| 02248562 | APO-METRONIDAZOLE 500MG CAPSULE |
How does this medication work? What will it do for me?
Metronidazole belongs to the class of medications called antibiotics. It is used for the treatment of infections caused by certain bacteria. It is most commonly used for abdominal, vaginal, and intestinal infections.
Your doctor may have suggested this medication for conditions other than the ones listed in these drug information articles. If you have not discussed this with your doctor or are not sure why you are taking this medication, speak to your doctor. Do not stop taking this medication without consulting your doctor.
Do not give this medication to anyone else, even if they have the same symptoms as you do. It can be harmful for people to take this medication if their doctor has not prescribed it.
How should I use this medication?
The usual adult dose of metronidazole is 500 mg taken every eight hours. For treatment of trichomoniasis, a single dose of 2,000 mg may be used after a meal. Various other doses exist according to the infection being treated.
Metronidazole may be taken with or without food. If it causes stomach upset it is best taken with food or milk.
Many things can affect the dose of medication that a person needs, such as body weight, other medical conditions, and other medications.If your doctor has recommended a dose different from the ones given here, do not change the way that you are taking the medication without consulting your doctor.
It is important that this medication be taken regularly and exactly as prescribed by the doctor. Keep taking this medication until the prescription is complete even if you feel better. If you miss a dose, take it as soon as possible and continue with your regular schedule. If it is almost time for your next dose, skip the missed dose and continue with your regular dosing schedule. Do not take a double dose to make up for a missed one.
Do not dispose of medications in wastewater (e.g. down the sink or in the toilet) or in household garbage. Ask your pharmacist how to dispose of medications that are no longer needed or have expired.

What form(s) does this medication come in?
Capsules
Each pale green and light grey capsule, printed "APO" and "500" contains metronidazole 500 mg. Nonmedicinal ingredients: croscarmellose sodium, colloidal silicon dioxide, stearic acid and talc; capsule shell: D&C Red No. 33, D&C Yellow No. 10, FD&C Blue No. 1, FD&C Green No. 3, gelatin, talc (antistatic agent) and titanium dioxide; edible ink used to imprint the capsule shells: black iron oxide, FD&C Blue No. 2, FD&C Red No. 40, propylene glycol and shellac glaze.
Tablets
Each round, white, biconvex tablet, identified "APO" over "250", contains metronidazole 250 mg. Nonmedicinal ingredients: colloidal silicon dioxide, croscarmellose sodium, magnesium stearate and microcrystalline cellulose.
Some medications may have other generic brands available. Always ask your doctor or pharmacist about the safety of switching between brands of the same medication.
Who should NOT take this medication?
Metronidazole should not be taken by anyone who:
-
is allergic to metronidazole or to any of the ingredients of the medication
- has an active neurological disorder
- has a history of blood disorders
- has an underactive thyroid
- has underactive adrenal glands
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