As with any medication, there is a risk of side effects from Lotronex. Common side effects of this drug include headache, heartburn, hemorrhoids, indigestion, nausea, stomach discomfort, and pain. Talk to your doctor if any side effects of Lotronex are persistent or become bothersome.
- About 28% of the people taking Lotronex experience constipation.
- Contact your doctor if you experience potentially serious side effects while taking Lotronex such as bloating, bloody diarrhea, bloody stools, constipation, depression, rectal bleeding, unexplained fever, unusually fast pulse, or new or worsening stomach discomfort or pain.
- Seek medical attention if you experience symptoms of an allergic reaction such as hives, difficulty breathing, or swelling of the mouth, face, lips, tongue, or throat.
- Lotronex is a brand name for the drug alosetron.