Phentermine is the most commonly prescribed prescription appetite suppressant, accounting for 50% of the prescriptions. Part of this reason is because it’s significantly cheaper than the other major FDA-approved diet drugs, Meridia and Xenical.
Phentermine first received approval from the Food and Drug Administration (FDA) in 1959 as an appetite suppressant for the short-term treatment of obesity.Phentermine resin became available in the United States in 1959 and Phentermine Hydrochloride in the early 1970s.
Since phentermine is an older drug, no new efficacy trials have been conducted. The one notable exception, are several trials on the combination of phentermine and fenfluramine in the early and mid-1990s.
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What is phentermine?
Oral phentermine Hydrochloride (HCL) is sold for weight loss. It is in the Sympathomimetic family of appetite suppressants (used for the short-term management of exogenous obesity.)
When used in conjunction with diet, exercise, and behavior therapy, phentermine may help you to lose weight while you are learning new ways to eat and exercise.
How does phentermine work?
Phentermine works by stimulating the hypothalamus gland and affecting certain neurotransmitters to decrease appetite.
The hypothalamus is the region of the brain that controls the autonomic nervous system, regulating sleep cycles, body temperature, appetite, etc.
Phentermine should NOT be used as a substitute for proper diet or exercise. For maximum effects, it must be used in conjunction with a reduced-calorie diet and/or exercise.
Any modifications in your diet, activity level, and behavior must be developed and continued long-term in order to continue losing weight and prevent the lost weight from returning.
How long should I take phentermine?
Phentermine is usually prescribed for short periods of 3 months, as the effects of phentermine tend to wear off after some time, while side effects remain.
To help you keep the weight off after using phentermine, Phentermine.com officially recommends Phen Caps. This ultimate weight loss supplement will help to maintain your eating habits and curb your appetite while optimizing your energy.