Flagyl Medication Information

Flagyl® (metronidazole) is a medication used to treat various infections caused by certain bacteria. It can help treat several sexually transmitted infections, and is especially effective at treating infections caused by parasites and anaerobic bacteria (bacteria that do not require oxygen to survive). It is only available with a prescription and is approved for use in adults and only for some uses in children.
 
Flagyl comes in the form of tablets, long-acting tablets (Flagyl ER), and capsules (Flagyl 375). It is also available in an injectable form. This medication is taken one to four times daily, depending on the particular use.
 
Although this antibiotic is generally well tolerated, it is not suitable for everyone. Before taking Flagyl, make sure your healthcare provider has up-to-date information on your medical history and a list of your current medications. In particular, make sure to let your healthcare provider know if you have epilepsy, liver disease, or alcoholism. Possible side effects include headaches, nausea, and a metallic taste in the mouth.
 
(Click Flagyl for more information on this medication. This article offers a complete overview of this antibiotic, including how it works, why it is not suitable for everyone, and dosing guidelines.)
 
Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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