Phentermine is a diet aid, an appetite suppressant that will control your hungry and help you with a diet where you are going to lose weight. Phentermine is an oral pill, a pill that you will take about half an hour before eating. Taking Phentermine before eating is going to make you feel more full so you are less hungry, where you will eat less, and you will burn more calories during your day that is stored in your body. Phentermine is used as an appetite suppressant. It is used in conjunction with an overall diet plan to reduce weight.
Phentermine is in a class of drugs called anorectics which decrease appetite by possibly changing brain levels of serotonin. Phentermine is a nervous system stimulator like the amphetamines, causing stimulation, elevation of blood pressure, and faster heart rates. Phentermine is a sympathomimetic amine, which is similar to an amphetamine. It is also known as an "anorectic" or "anorexigenic" drug. Phentermine stimulates the central nervous system (nerves and brain), which increases your heart rate and blood pressure and decreases your appetite.
Obesity is usually defined as being 20% over ideal weight with resultant increase in certain diseases including high cholesterol levels, heart disease, high blood pressure, gallbladder disease, type II diabetes mellitus, hardening of the arteries, and degenerative arthritis. Weight loss decreases blood pressure, cholesterol levels, and improves diabetes control.