What are the real side effects of Contrave naltrexone + bupropion for weight loss?
Muscle pain and joint pain were drug addiction common side effects reported in studies of naltrexone. These side effects may cause discomfort in various muscles or joints throughout your body. Below are just a few of the more common side effects reported by people taking naltrexone in studies.
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It’s crucial to address these misconceptions and provide accurate, evidence-based information. Disseminating reliable information can help individuals make informed decisions about their health and avoid potentially harmful practices or misleading claims. A critical examination of common misconceptions helps to clarify the true role and limitations of Naltrexone in weight management. It’s an effective treatment for alcohol and opioid use disorder and can contribute to weight loss, whether primary or after-effect. Using naltrexone for weight loss requires thorough consideration and should be used only after other alternatives have been explored.
Information about Medications for Opioid Use Disorder (MOUD)
- These symptoms could be life threatening and require immediate medical care.
- Ask your care team if changes in diet or medications are needed if you have diabetes.
- Knowing what to expect can help you feel more in control and less anxious.
- If you throw up after taking Contrave, talk to your doctor before taking another dose.
Tell your doctor if you have any side effects that concern you or don’t go away. If you have any side effects that you suspect may be dangerous, get emergency help right away. Hair loss is not a common side effect of Contrave, but some patients have reported it.
What are the possible side effects and risks?

Naltrexone may be an effective prescription drug for people who experience obesity due to problems with growth hormone levels. Obesity is a common health problem in the United States, affecting around 40% of adults. It can be a costly medical condition that can lead to other health problems, including diabetes, heart disease, heart attacks, and stroke. While lifestyle changes like diet and exercise can help treat obesity, medications may also be needed. Results from the study documented zero change in body weight from start-date to finish among the participants.
Do the side effects of naltrexone go away over time, or are they long term?
While naltrexone alone has shown some effects on weight loss, a common dosage is 50 mg, and it is often used in combination with bupropion (as Contrave) for more significant and effective weight management. Unlike opioid agonists, which activate opioid receptors, naltrexone at 50 mg blocks these receptors to reduce cravings and appetite. This combination approach provides a more comprehensive strategy for weight management, contrasting with the effects of opioid agonists that can influence the reward system in a different manner. This combination acts on the hypothalamus and mesolimbic dopamine pathways to reduce food cravings and increase feelings of satiety, helping patients manage their weight more effectively.
- Naltrexone should be used only as a last resort because it comes with more risks than many other methods of weight loss.
- The medication is also approved for adults with a BMI of 27 kg/m² or greater who have at least one weight-related comorbidity.
- A study on hyperandrogenic women with PCOS found that naltrexone improved insulin sensitivity by 40%, lowering testosterone and supporting metabolic health.
- Call your doctor for medical advice about serious side effects or adverse reactions.
- If you or a loved one is dealing with addiction, naltrexone can provide relief.
Explore the Potential of Naltrexone at Illinois Recovery Center
Let your healthcare provider know if you or anyone in your family has tried to commit suicide. It works by blocking the effects of opioids, especially the euphoric and rewarding feeling that makes you want to use them. It also may block the euphoric and rewarding feeling that may make you want to use alcohol. It will not produce any opioid-like effects or cause mental or physical dependence. It will not prevent you from becoming impaired while drinking alcohol or using opioids.
What should I tell my care team before I take this medication?
- It’s one of the only medications that can help people stop the cycle of drug abuse.
- But how long does it take for low dose naltrexone to work for weight loss?
- Prior to pharmacological treatment for opioid dependence, body weight of all 36 patients was recorded for a baseline measure.
- It is a prescription drug and must be used under the supervision of a healthcare provider.
However, medications like naltrexone are usually only recommended for people who have not been able to achieve weight loss through diet and exercise alone. It should be clear that in these cases, weight gain attenuation is not the same as weight loss. Perhaps the reductions in binge/purge tendencies and/or hedonic reactivity may facilitate weight loss in certain users.
Drinking alcohol may also make it harder for the medicine to work properly. Before starting Contrave, tell your doctor about all your health conditions and any other medicines, vitamins, herbs, or supplements you are taking. If you have any of these conditions, talk to your doctor before starting Contrave, as it could increase the risk of serious side effects. Naltrexone blocks brain signals linked to food cravings and affects the “reward center” in the brain that controls pleasurable activities, such as eating. Low-dose naltrexone (LDN) shows potential in cancer therapy by modulating the immune system and promoting apoptosis in cancer cells.

You are encouraged to report negative side effects of prescription drugs https://digital.healthbuzz.in/sober-living/brain-fog-after-drinking-what-it-is-and-how-to-2/ to the FDA. These side effects are usually mild and diminish as the body adjusts to the medication. However, monitoring any unusual symptoms and reporting them to your doctor is essential. Reframe supports you in reducing alcohol consumption and enhancing your well-being. Naltrexone is effective for a number of different conditions but can cause adverse effects when not used appropriately. If you have other questions about naltrexone’s side effects, talk with your doctor or pharmacist.

While there is no black box warning — the FDA’s most serious designation — for naltrexone, there is one for bupropion. The medication has the potential to increase suicidal thoughts or behavior. Let your healthcare provider know right away if you experience naltrexone side effects suicidal thoughts or ideation while taking bupropion. It’s also available as a single pre-combined pill under the brand name Contrave.
At my LA-based clinic, we provide personalized care to help our patients succeed with LDN and other weight loss strategies. Be sure that you follow all of your healthcare provider’s orders, including seeing your therapist and/or attending support group meetings on a regular basis. This medicine may cause some people to be agitated, irritable, or display other abnormal behaviors. It may also cause some people to have suicidal thoughts and tendencies or to become more depressed. Make sure your healthcare provider knows if you have trouble sleeping, get upset easily, have a big increase in energy, or start to act reckless. Also, tell your healthcare provider if you have any sudden or strong feelings, including feeling nervous, angry, restless, violent, or scared.
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