CONTRAVE (naltrexone HCl/bupropion HCl) is an FDA-approved weight loss medicine that may help adults who struggle with obesity, or are overweight with at least one weight-related medical condition, to lose weight and keep it off. CONTRAVE should be used along with diet and exercise.
CONTRAVE can cause serious side effects of suicidal thoughts or actions. CONTRAVE contains bupropion HCl, which has caused some people to have suicidal thoughts or actions or unusual changes in behavior. In patients taking bupropion for smoking cessation, serious neuropsychiatric events have been reported.
Stop taking CONTRAVE and call a healthcare provider right away if you have any of the following symptoms, especially if they are new, worse, or worry you: thoughts about suicide or dying; attempts to commit suicide; depression; anxiety; feeling agitated or restless; panic attacks; trouble sleeping (insomnia); irritability; aggression, anger, or violence; acting on dangerous impulses; an extreme increase in activity and talking (mania); other unusual changes in behavior or mood.
CONTRAVE has not been studied in and is not approved for use in children under the age of 18.
Do not take CONTRAVE if you have uncontrolled high blood pressure; have or have had seizures; use other medicines that contain bupropion such as WELLBUTRIN, APLENZIN or ZYBAN; have or have had an eating disorder; are dependent on opioid pain medicines or use medicines to help stop taking opioids such as methadone or buprenorphine, or are in opiate withdrawal; drink a lot of alcohol and abruptly stop drinking; are allergic to any of the ingredients in CONTRAVE; or are pregnant or planning to become pregnant. Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.
Do not take any other medicines while you are taking CONTRAVE unless your healthcare provider says it is okay.
Tell your healthcare provider about all of your medical conditions, especially: depression or other mental illnesses; attempted suicide; seizures; head injury; tumor or infection of brain or spine; low blood sugar or low sodium; liver or kidney problems; high blood pressure; heart attack, heart problems, or stroke; eating disorder; drinking a lot of alcohol; prescription medicine or street drug abuse; are 65 or older; diabetes; pregnant; or breastfeeding.
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.
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.
Use of CONTRAVE
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). One of the ingredients in CONTRAVE, bupropion, is the same ingredient in some other medicines used to treat depression and to help people quit smoking.
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch or call 1-800-FDA-1088.