What are the adverse effects associated with weight loss drugs for the treatment of obesity?

Updated: Dec 01, 2020
  • Author: Steven M Schwarz, MD, FAAP, FACN, AGAF; Chief Editor: Jatinder Bhatia, MBBS, FAAP  more...
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All of these weight loss drugs are associated with significant side effects that often limit their use. With orlistat, resulting nausea, bloating, and discomfort from steatorrhea are common, although these symptoms tend to decrease with long-term use. Sibutramine may cause dry mouth, insomnia, nervousness, diaphoresis, hypertension, nausea, and constipation.

Tolerance to most adverse effects is achieved within 2 weeks of continuous treatment.

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