Posfrea is part of the
Serotonin Antagonists class and treats
Nausea. Serotonin
antagonists are used to treat
irritable bowel syndrome (
IBS) and nausea. They work by reducing cramps, discomfort, and
diarrhea. Posfrea is only available as a brand name drug. Get Posfrea for as low as $580.69, save up to 80% off the average retail price for the most common version, by using a GoodRx coupon.