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Alosetron is a topic covered in the Consumer DrugInfo.

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(al oh' se tron)

Brand name:

  • Lotronex®

Important Warning

Alosetron may cause serious gastrointestinal (GI; affecting the stomach or intestines) side effects including ischemic colitis (decreased blood flow to the bowels) and severe constipation that may need to be treated in a hospital and may rarely cause death. Tell your doctor if you are taking any of the following medications: antihistamines; certain antidepressants ('mood elevators') called tricyclic antidepressants; or certain medications to treat asthma, diarrhea, lung disease, mental illness, motion sickness, overactive bladder, pain, Parkinson's disease, stomach or intestinal cramps, ulcers and upset stomach. Tell your doctor if you are constipated now, if you often have constipation, or if you have had problems resulting from constipation. Also tell your doctor if you have a blockage in your bowels, ischemic colitis, blood clots, or any disease that causes inflammation of the bowels such as Crohn's disease (swelling of the lining of the digestive tract), ulcerative colitis (a condition which causes swelling and sores in the lining of the colon [large intestine] and rectum), diverticulitis (small pouches in the lining of the large intestine that can become inflamed) or liver disease. Your doctor will probably tell you not to take alosetron.

Stop taking alosetron and call your doctor right away if you experience any of the following symptoms: constipation, new or worse pain in the abdomen (stomach area), or blood in your bowel movements. Call your doctor again if your constipation does not get better after you stop taking alosetron. Once you have stopped taking alosetron because of these symptoms, do not start taking it again unless your doctor tells you that you should.

Only certain doctors who are registered with the company that makes alosetron and who are aware of the possible side effects can write prescriptions for this medication. Your doctor will give you the manufacturer's patient information sheet (Medication Guide) before you begin treatment with alosetron and your pharmacist will give you a copy each time you refill your prescription. Read the information carefully and ask your doctor or pharmacist if you have any questions. You also can obtain the Medication Guide from the Food and Drug Administration (FDA) website (http://www.fda.gov/Drugs/DrugSafety/ucm085729.htm) or the manufacturer's website.

Talk to your doctor about the risks of taking alosetron.

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TY - ELEC T1 - Alosetron ID - 112904 BT - Consumer DrugInfo UR - http://familydrugguide.com/family/view/Consumer_DrugInfo/112904/all/Alosetron PB - American Society of Health System Pharmacists DP - Unbound Medicine ER -