Sibutramine

 
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More about Sibutramine

What is/are Sibutramine?

Sibutramine (usually in the form of the hydrochloride monohydrate salt) is an oral anorexiant. Until 2010 it was marketed and prescribed as an adjunct in the treatment of exogenous obesity along with diet and exercise. It has been associated with increased cardiovascular events and strokes and has been withdrawn from the market in countries and regions including Australia, Canada, China, the European Union (EU), Hong Kong, India, Mexico, New Zealand,Thailand, the United Kingdom, and the United States.

Sibutramine is a centrally-acting serotonin-norepinephrine reuptake inhibitor structurally related to amphetamines, although its mechanism of action is distinct.

Sibutramine was originally developed and marketed by Knoll Pharmaceuticals and was most recently manufactured and marketed by Abbott Laboratories before its withdrawal from the market. It was sold under a variety of brand names including Reductil, Meridia and Sibutrex. It is classified as a Schedule IV controlled substance in the United States.

Sibutramine (trade name Meridia in the U.S. and Canada, Reductil in Europe and most other countries), usually as sibutramine hydrochloride monohydrate, is an orally administered agent for the treatment of obesity, as an appetite suppressant. It is a centrally-acting serotonin-norepinephrine reuptake inhibitor structurally related to amphetamines, although its mechanism of action is distinct.

Adverse effects

A higher number of cardiovascular events has been observed in people taking sibutramine versus control (11.4% vs. 10.0%). In 2010 the FDA noted the concerns that sibutramine increases the risk of heart attacks and strokes in patients with a history of cardiovascular disease.

Frequently encountered side effects are: dry mouth, paradoxically increased appetite, nausea, strange taste in the mouth, upset stomach, constipation, trouble sleeping, dizziness, drowsiness, menstrual cramps/pain, headache, flushing, or joint/muscle pain.

Sibutramine can substantially increase blood pressure and heart rate in some patients. Therefore regular monitoring needs to be performed. The following side effects are infrequent but serious and require immediate medical attention: cardiac arrhythmias, paresthesia, mental/mood changes (e.g., excitement, restlessness, confusion, depression, rare thoughts of suicide).

Symptoms that require urgent medical attention are seizures, problems urinating, abnormal bruising or bleeding, melena, hematemesis, jaundice, fever and rigors, chest pain, hemiplegia, abnormal vision, dyspnea and edema.

Currently, no case of pulmonary hypertension has been noted, although related compounds (such as Fen-Phen) have shown this rare but clinically significant problem.

This article uses material from the Wikipedia article Sibutramine, which is released under the Creative Commons Attribution-Share-Alike License 3.0.

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