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Weight Loss Drugs and Pills to Reduce Weight
Types of Obesity Drug, to Reduce Appetite or Fat Calorie Absorption
Advice About Weight Loss

Questions About Obesity Medications
Appetite Suppressants - Anti-Obesity Drugs - Prescription Obesity Drugs
Development of Diet Pills - Meridia Short-Term Obesity Drug - Xenical Lipase Inhibitors - Xenical Study
Orlistat & Obesity Management - Orlistat Weight Loss Study - Sibutramine FDA Approved Obesity Drug
Sibutramine Study - Obesity Drugs & Diabetes - Risks of Weight Loss Pills - Adipex Obesity Drug
Side Effects of Adipex - Phentermine to Reduce Appetite - Side Effects of Phentermine

Weight Loss Anti-Obesity Drugs - Introduction

There are two main types of anti-obesity weight loss drugs - (a) medications that decrease appetite and (b) drugs that inhibit absorption of nutrients from the intestines.

Examples of weight loss drugs that decrease appetite include sibutramine (Meridia) and phentermine (Fastin, Adipex-P).

Orlistat (Xenical) is an example of a weight loss drug that inhibits intestinal fat absorption. It is called a 'lipase inhibitor.'

Feeling of hunger and fullness (satiety) are regulated by brain chemicals called neurotransmitters. Examples of neurotransmitters include serotonin, norepinephrine, and dopamine. Anti-obesity medications that suppress appetite do so by increasing the level of these neurotransmitters at the junction (called synapse) between nerve endings in the brain.

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