Lotronex

Chat with Pharmacy Staff

Question

Are there any side effects to Lotronex?

Answer

Lotronex® (alosetron) is a prescription medication for Irritable Bowel Syndrome (IBS) in women. It can help women who have diarrhea as the main symptom. Women who have constipation as their main symptom should not use Lotronex®.Lotronex® doesn't help men with IBS. Lotronex® can only be prescribed by doctors that have enrolled in a special program required by the manufacturer.

Common Lotronex® side effects

The most common side effect of Lotronex® is constipation. Twenty-five to thirty percent of women experience mild to moderate constipation that goes away soon after stopping treatment. Other common side effects of Lotronex® include nausea and stomach upset or pain. Infrequently, it can cause severe constipation causing worsening abdominal pain. Call your doctor if you begin to experience these symptoms. In rare cases, Lotronex® can cause a serious condition called ischemic colitis. If you notice lower stomach pain, bloody diarrhea or blood with bowel movements, stop taking Lotronex® and call your doctor right away.

Read more on Irritable Bowel Syndrome in our Health Encyclopedia.

Back to Pharmacist FAQs

If you're looking for more specific answers to specific questions, ask a Walgreens pharmacist here.

DISCLAIMER:
Answers to questions regarding information about medications or health conditions are not for diagnostic or treatment purposes and are not conclusive as to the presence or absence of any health condition. Consult your physician for diagnosis and treatment of your medical condition. The information provided is not a substitute for medical advice. Advances in medicine may cause this information to become outdated, invalid or subject to debate. Professional opinions and interpretations of the scientific literature may vary. Walgreens' terms of use and general warranty disclaimer apply to all services provided. If you are in need of immediate medical attention, contact your physician, poison control center or emergency medical professional. If you need to speak with a pharmacist for non-emergency matters, contact your local Walgreens pharmacist or call a Walgreens.com pharmacist toll-free at 1 (877) 250-5823.