A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.
The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.
Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.
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CONTRAVE® is a prescription-only, FDA-approved weight-loss pill believed to work on two areas of your brain—the hunger center and the reward system—to reduce hunger and help control cravings.1 CONTRAVE contains two medicines, bupropion and naltrexone. These well-known drugs have been prescribed separately for years—bupropion for depression and smoking cessation, and naltrexone for alcohol and opioid dependence.2
One of the ingredients in CONTRAVE, bupropion, may increase the risk of suicidal thinking in children, adolescents, and young adults. CONTRAVE patients should be monitored for suicidal thoughts and behaviors. In patients taking bupropion for smoking cessation, serious neuropsychiatric adverse events have been reported. CONTRAVE is not approved for use in children under the age of 18.
CONTRAVE is a prescription weight-loss medicine that may help some adults with a body mass index (BMI) of 30 kg/m2 or greater (obese), or adults with a BMI of 27 kg/m2 or greater (overweight) with at least one weight-related medical problem such as high blood pressure, high cholesterol, or type 2 diabetes, lose weight and keep the weight off. •CONTRAVE should be used with a reduced-calorie diet and increased physical activity •It is not known if CONTRAVE changes your risk of heart problems or stroke or of death due to heart problems or stroke •It is not known if CONTRAVE is safe and effective when taken with other prescription, over-the-counter, or herbal weight-loss products CONTRAVE is not approved to treat depression or other mental illnesses, or to help people quit smoking (smoking cessation).
CONTRAVE may cause serious side effects, including: •Seizures. There is a risk of having a seizure when you take CONTRAVE. If you have a seizure, stop taking CONTRAVE, tell your healthcare provider right away. •Risk of opioid overdose. Do not take large amounts of opioids, including opioid-containing medicines, such as heroin or prescription pain pills, to try to overcome the opioid-blocking effects of naltrexone. •Sudden opioid withdrawal. Do not use any type of opioid for at least 7 to 10 days before starting CONTRAVE. •Severe allergic reactions. Stop taking CONTRAVE and get medical help immediately if you have any signs and symptoms of severe allergic reactions: rash, itching, hives, fever, swollen lymph glands, painful sores in your mouth or around your eyes, swelling of your lips or tongue, chest pain, or trouble breathing. •Increases in blood pressure or heart rate. •Liver damage or hepatitis. Stop taking CONTRAVE if you have any symptoms of liver problems: stomach area pain lasting more than a few days, dark urine, yellowing of the whites of your eyes, or tiredness. •Manic episodes. •Visual problems (angle-closure glaucoma). Signs and symptoms may include: eye pain, changes in vision, swelling or redness in or around the eye. •Increased risk of low blood sugar (hypoglycemia) in people with type 2 diabetes mellitus who also take medicines to treat their diabetes (such as insulin or sulfonylureas). The most common side effects of CONTRAVE include nausea, constipation, headache, vomiting, dizziness, trouble sleeping, dry mouth, and diarrhea. These are not all the possible side effects of CONTRAVE. Tell your healthcare provider about any side effect that bothers you or does not go away.