home > drugs a-z list > fastin (phentermine) drug center > fastin (phentermine) drug

Recommended Topic Related To:

Fastin

What is obesity?

The definition of obesity varies depending on what one reads, but in general, it is a chronic condition defined by an excess amount body fat. A certain amount of body fat is necessary for storing energy, heat insulation, shock absorption, and other functions. The normal amount of body fat (expressed as percentage of body fat) is between 25%-30% in women and 18%-23% in men. Women with over 30% body fat and men with over 25% body fat are considered obese.

The calculation of body mass index (BMI) has also been used in the definition of obesity. The body mass index (BMI) equals a person's weight in kilograms (kg) divided by their height in meters (m) squared. Since BMI describes body weight relative to height, it is strongly correlated with total body fat content in adults. "Obesity" is defined as a BMI of 30 and above.

How common is obesity?

Obesity has reached epidemic proportions in the United States. One i...

Fastin

font size
Discontinued Warning IconPlease Note: This Brand Name drug is no longer available in the US.
(Generic versions may still be available.)

Fastin
(phentermine hydrochloride) Capsule

DRUG DESCRIPTION

Each phentermine hydrochloride capsule contains phentermine hydrochloride, 30 mg (equivalent to 24 mg Phentermine).

Phentermine Hydrochloride is a white crystalline powder, very soluble in water and alcohol. Chemically, the product is phenyl-tertiary-butylamine hydrochloride. Inactive Ingredients: F D & C Blue 1, Methylcellulose, Polyethylene Glycol, Starch, Titanium Dioxide, Sucrose and Invert Sugar. The branding ink used on the gelatin capsules contains: Ethyl Alcohol, F D & C Blue 1 Aluminum Lake, Isopropyl Alcohol, n-Butyl Alcohol, Propylene Glycol, Pharmaceutical Shellac (modified) or Refined Shellac (Food Grade).

What are the precautions when taking phentermine (Fastin)?

Before taking this medication, tell your doctor or pharmacist if you are allergic to it; or to any other sympathomimetic amines (e.g., decongestants such as pseudoephedrine, stimulants such as amphetamine, appetite suppressants such as diethylpropion); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: uncontrolled high blood pressure, glaucoma, history of alcohol/drug abuse, vascular heart disease (e.g., chest pain, heart attack), mental/mood problems (e.g., severe anxiety, bipolar disorder, psychosis,...

Read All Potential Precautions of Fastin »

Last reviewed on RxList: 12/8/2004
This monograph has been modified to include the generic and brand name in many instances.

Fastin - User Reviews

Fastin User Reviews

Now you can gain knowledge and insight about a drug treatment with Patient Discussions.

Here is a collection of user reviews for the medication Fastin sorted by most helpful. Patient Discussions FAQs

Report Problems to the Food and Drug Administration

 

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


Women's Health

Find out what women really need.