Like most medications, Flagyl® may cause a variety of side effects. Some of these side effects can lead to complications that may be fatal. Among such severe side effects is Stevens-Johnson syndrome, which is a life-threatening skin reaction. Patients are reportedly at a higher risk of developing Stevens-Johnson syndrome if they take Flagyl® in conjunction with mebendazole (a drug prescribed to treat worm infestations, including tapeworm, hookworm and roundworms).
Generically known as metronidazole, Flagyl® is an antibiotic medication used to treat infections caused by anaerobic bacteria or protozoa. Specifically, Flagyl® is designed to treat infections of the stomach, skin, respiratory tract, joints and the vagina (though it's important to note that Flagyl® is not appropriate for the treatment of yeast infections). In the U.S., Flagyl® is distributed by Pfizer (worldwide it's distributed by Sanofi-Aventis also under the brand name Flagyl®).
In addition to Stevens-Johnson syndrome, Flagyl® has been associated with a list of other side effects that may include the following:
Patients should be advised to seek medical attention should they experience any of the following symptoms as they may be a sign of an allergic reaction in the form of Stevens-Johnson syndrome:
Other serious side effects to watch out for may include: