Many people opt for these easy options which look so convenient. They don’t even stop and think to
find out the harmful effects of these products. Broadly there are 3 types of weight loss pills.
According to their mechanism of action they are classified as follows:

1. Stimulant like drugs which act on Central Nervous System and reduce your apetite
2. Sibutramine increases levels of certain chemicals in brain and makes you feel full
3. Orlistat prevents absorption of fat in the guts.

Side effects:
1. Stimulant like drugs cause pulmonary hypertension, valvular disease of heart, elevated
blood pressure, increased pulse and heart rate, dizziness, insomnia, dry mouth, and
constipation.
2. sibutramine causes headache, dry mouth, anorexia, constipation, insomnia, runny nose,
and sore throat.
3. Orlistat side effects include diarrhea, oily stools, gas, flatulence, and a decrease in
absorption of fat-soluble vitamin.