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Several million people are trying to get rid of obesity. In their effort to loose weight positively, appetite suppressant prescriptions are a great help.  There are several prescription diet pills which are recommended to those people who are not able to keep up with a diet or cannot follow regular exercise regime due to some illness.

Before start taking any appetite suppressant or prescription Diet pills, it is important to consult a doctor. He will prescribe any diet pill only after examining your body condition and your lifestyle. If you are suffering from any condition like coronary heart disease, diabetes or hypertension, doctor will consider that also. Doctors prescribe one of the several FDA approved diet pills.

An appetite suppressant medicine works by reducing the appetite or increasing the feeling of being full.  These drugs act on the hypothalamus, a part of your brain. Here at this place, appetite and mood centers are located (chemical) in brain.  There are two neurotransmitters in brain; serotonin and catecholamine which affect the mood and appetite. Appetite suppressant medicine increases the level of one of these or both the chemicals and hence reduces the appetite.  Besides reducing the appetite, these prescription diet pills also help increase the energy expenditure.

Some of the most popular FDA approved diet pills include Meridia and Phentermine.  With all said about appetite suppressant, positive results are seen only if you follow a diet plan. Just popping a diet pill is no magical solution to loose weight.