This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Sibutramine belongs to which group of drugs according to it's indication of use? 
Select and explain. 
A. Antipsychotic, B. Antihypeensive, C. Anti-Obesity, D. Anti-Diabetic
C: Anti-Obesity
Answer: C: Anti-Obesity 
Explanation: Sibutramine is a centrally acting anorectic drug which was used as anti obesity drug. The target site of action is ventromedial and lateral hypothalamic regions in the CNS. It functions as a serotonin and nor epinephrine reuptake inhibitor. It was withdrawn from US market in October 2010, due to an increased risk of non fatal myocardial infarction and non fatal stroke among individuals with pre existing cardiovascular disease. Ref: Harrison's Principles of Internal Medicine, 18th edn, Chapter 78