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Because weight-loss medications are used to treat a condition that affects millions of people, many of whom are basically healthy, their potential for side effects is of great concern. Most side effects of these medications are mild and usually improve with continued treatment. Rarely, serious and even fatal foods outcomes have been reported. Two approved appetite-suppressant medications that affect serotonin release and reuptake have been withdrawn from the market (fenfluramine, dexfenfluramine) . Medications that affect catecholamine levels (such as phentermine, diethylpropion, and mazindol) may cause symptoms of sleeplessness, nervousness, and euphoria (feeling of well-being) .

Sibutramine acts on foods both the serotonin and catecholamine systems, but unlike fenfluramine and dexfenfluramine, sibutramine does not cause release of serotonin from cells. The primary known side effects of concern with sibutramine are elevations in blood pressure and pulse, which are usually small but may be significant in some patients. People with poorly foods controlled high blood pressure, heart disease, irregular heart beat, or history of stroke should not take sibutramine, and all patients taking the medication should have their blood pressure monitored on a regular basis.

Some side effects with orlistat include oily spotting, gas with discharge, urgent need to go to foods the bathroom, oily or fatty stools, an oily discharge, increased number of bowel movements, and inability to control bowel movements. These side effects are generally mild and temporary, but may be worsened by eating foods that are high in fat. Also, because orlistat reduces the absorption of some vitamins, patients foods should take a multivitamin at least 2 hours before or after taking orlistat.

A: Weight-loss medications may be appropriate for carefully selected patients who are at significant medical risk because of their obesity. They are not recommended for use by people who are only mildly overweight unless they have health foods problems that are made worse by their weight. These medications should not be used only to improve appearance. What to Discuss with Your Doctor Before Choosing Weight-Loss Medication

Before choosing weight-loss medication for the long-term management of obesity, you should talk to your doctor about any concerns you may foods have. In addition, it is important that you discuss the following issues with your doctor.

How will I be evaluated to determine if I am an appropriate candidate for weight-loss medication?

Your physician will look at a number of factors to determine if you are a good candidate foods for prescription weight-loss medication. He or she will determine how overweight you are and where your body fat is distributed .