Naltrexone is an opioid receptor antagonist used primarily in the management of alcohol dependence and opioid addiction. It works by blocking the effects of opioids and reducing cravings for alcohol, helping individuals on their recovery journey.

Naltrexone Hydrochloride FAQ


What is Naltrexone used for?

Naltrexone is primarily used to help individuals overcome alcohol dependence and opioid addiction.

How does Naltrexone work?

It works by blocking the effects of opioids and reducing cravings for alcohol.

Is Naltrexone addictive?

No, Naltrexone is not considered addictive and is prescribed to help with addiction recovery.

How should I take Naltrexone?

Follow your healthcare provider's instructions. It is typically taken as a tablet or via injection.

Can I drink alcohol while taking Naltrexone?

It's advised to avoid alcohol as it can counteract the treatment's benefits.

What are the side effects of Naltrexone?

Common side effects include nausea, headache, dizziness, and fatigue.

Is a prescription required for Naltrexone?

Yes, a healthcare provider's prescription is required to obtain Naltrexone.

Can Naltrexone be used for weight loss?

Naltrexone is not indicated for weight loss but may have effects on appetite.

What should I do if I miss a dose?

If you miss a dose, take it as soon as you remember unless it's close to the next dose.

Are there any contraindications for Naltrexone?

Yes, it should not be used in individuals with opioid dependence or acute liver disease.

How long does it take for Naltrexone to work?

Effects can vary, but many individuals notice changes within a few weeks.

Can I use Naltrexone if I am pregnant?

Consult your doctor, as the safety of Naltrexone during pregnancy hasn't been fully established.

What should I avoid while taking Naltrexone?

Avoid opioid medications, as they may not work effectively when combined with Naltrexone.

Is it safe to use Naltrexone long-term?

Long-term use should be monitored by your healthcare provider to ensure safety.

Where can I buy Naltrexone?

Naltrexone can be purchased at licensed pharmacies with a valid prescription.

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Information provided by Dr. Tekeste Etay Teka. Reviewed by Dr. Mohamed El Khouly