If you struggle with obesity, your risk for serious disease, such as diabetes, stroke, arthritis and some types of cancer, is higher, according to MedlinePlus. Losing as little as 5 percent of your body weight, however, can reduce risk for developing these diseases. Prescription weight-loss pills are a tool for people who struggle with obesity but haven't had success with lifestyle modifications.
Qualifying for Prescription Pills
If you want to lose a few pounds, prescription weight-loss pills aren't the best option. These medications are reserved for patients with a body mass index of 30 or higher, according to the Mayo Clinic. Or, if patients have a body mass index of 27 and serious health concerns, such as high blood pressure or diabetes. Your doctor will evaluate your health and determine if prescription weight-loss drugs are the best fit for you.
Long-Term Prescription Pills
Orlistat is the only prescription weight-loss pill indicated for long-term use. This medication causes weight-loss by blocking your body's ability to digest fat. This results in less calories consumed, which causes weight loss. Side effects of this medication include oily spotting, stomach cramping and gas.
Although the FDA is investigating side effects that affect the liver, it had not found a link as of 2011. If you experience side effects, such as jaundice, fatigue, weakness, fever or brown urine, contact your doctor immediately.
Short-Term Prescription Pills
The medications used for short-term weight loss are diethylpropion and phentermine. These medications are used for up to 12-weeks. Diethylpropion and phentermine initiate weight-loss by reducing your appetite. Side effects of these short-term medications include increased heart rate, dizziness, sleep issues, anxiety and depression. They also have the potential to interact with other prescription drugs. Talk with your doctor to avoid drug interactions.
Prescription Weight-Loss Results
Prescription weight-loss pills require lifestyle modifications, such as a reduced calorie diet and regular physical activity. With these pills, expect to lose 5 to 10 percent of your total weight within a year, according to the Mayo Clinic. Diet and exercise are responsible for a portion of this weight loss. If you discontinue use of these medications, weight gain may occur.
References
- Mayo Clinic: Weight-Loss Drugs: Can a Prescription Help you Lose Weight
- MedlinePlus: Obesity
- U.S. National Library of Medicine National Institutes of Health: Diethylpropion
- U.S. National Library of Medicine National Institutes of Health: Phentermine
- U.S. National Library of Medicine National Institutes of Health: Orlistat
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