Medically reviewed by Lindsay Cook, PharmD Key Takeaways Naloxone is a fast-acting drug used to reverse opioid ...

Common side effects of naltrexone include nausea, headache, anxiety, and insomnia. But these are usually temporary. Less common but serious side effects of naltrexone include liver problems, ...

Naltrexone is a prescription medication used to manage both alcohol and opioid use disorders in adults. The typical oral dosage of naltrexone for alcohol use disorder is 50 milligrams (mg) daily. For ...

Naltrexone is a generic prescription drug used to treat certain substance use disorders. Naltrexone oral tablet does not come in any brand-name versions. This drug can cause mild to serious side ...