Uses, Dosage & Side Effects: Naltrexone Tablet

Naltrexone Tablet

Generic nameNaltrexone
Drug classAntidotes; opiate antagonist; drugs used in alcohol dependence
FormsOral tablet, Intramuscular injection (extended-release)

Naltrexone is a prescription tablet used to treat alcohol dependence and to help people stay off opioids after they have gone through detox. It blocks the effects of opioids and alcohol in the brain, which helps reduce cravings and lowers the chance of relapse. It is not addictive and does not cause a high.

Read the full guideUses, dosage, side effects, precautions, and sources, written from the same verified facts.

General information, not medical advice

Your prescriber and the leaflet in your pack know your situation. This page does not.

  • Follow your prescriber and the leaflet
  • Don't start, stop, or change a dose on your own
  • Doses and warnings differ by country and product
Facts checked by a personFull disclaimer

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