It turns out the amount of opiate receptors in your gut exceed the amount of opiate receptors in drug addiction your brain. 💡 This article is for informational purposes only and does not constitute medical advice. Always consult with a qualified healthcare provider before starting, stopping, or changing any medication or treatment plan, including the use of naltrexone. Vivitrol, the brand name for naltrexone, is a narcotic blocker or what’s known as an opioid antagonist. This medication, which is as effective as Suboxone, is a monthly injection. A potential downside for patients, though, is that it can only be administered after opioid withdrawal takes place.
Naltrexone side effects and how to avoid them
The severity of naltrexone’s side effects can range from mild to severe. Mild side effects might include minor gastrointestinal discomfort or fatigue, which generally do not require medical intervention. Moderate side effects may be more bothersome and could necessitate dosage adjustments or additional treatment. Take it as directed on the prescription label at the same time every day. Do not take this medication within 7 to 10 days of taking any opioid drugs.

Precipitated withdrawal in opioid users
Always use a non-opioid medicine to treat pain, diarrhea, or a cough. If you have any questions about the proper medicine to use, check with your healthcare provider. You will need to stop using opioids for at least 7 to 10 days before you can start receiving naltrexone injection. Your healthcare provider may need to do the naloxone challenge test or a urine test for opioids to make sure you are opioid-free. Naltrexone is not for everyone, and it is important to speak with your healthcare professional about naltrexone before starting this medication. Pregnant or breastfeeding women and people who are currently under the influence of opioids should avoid naltrexone.
Naltrexone Side Effects: A Comprehensive Overview
There are no known interactions between naltrexone and foods or drinks. Do not share naltrexone with other people, even if they have the same condition as you. People who are allergic to any of the following should not take naltrexone. Naltrexone is available as 50 mg oral tablets that are taken by mouth. Sharing notes with your doctor will help them learn more about how naltrexone affects you. They can then use this information to adjust your treatment plan if needed.
Patients should be aware of these potential side effects and consult their healthcare provider if they experience any following symptoms. In addition to physical symptoms, some individuals may experience psychological side effects shortly after starting naltrexone. These can include increased anxiety, mood swings, and sleep disturbances such as trouble sleeping or insomnia.

Although these are rare, recognizing the signs early can help prevent complications. Would you like more information about mental health or drug addiction? Starting medication-assisted treatment can be a powerful step towards recovery, but it’s natural to have concerns about how it may affect you.

Get Naltrexone at Confidant Health!
- This guide provides a comprehensive look at the potential side effects of oral Naltrexone, strategies for prevention and management, and advice on when to seek medical attention.
- People with multiple sclerosis, complex regional pain syndrome, or a history of serious injury should tell their doctor before beginning treatment.
- Therefore, naltrexone treatment is started after you are no longer taking opioids for a period of time.
- Patients should inform their healthcare provider about any liver conditions before starting treatment.
Naltrexone is a powerful tool in recovery, but like any medication, it comes with potential side effects. While most are mild and temporary, understanding Naltrexone side effects helps you stay informed and prepared. It is intended for general informational purposes and is not meant to be a substitute naltrexone side effects for professional medical advice, diagnosis, or treatment.