Drugs Home > Naltrexone

What If I Overdose on This Drug?

It is not entirely clear what to expect from an overdose with naltrexone. An overdose may cause symptoms such as nausea, abdominal (stomach) pain, drowsiness, and dizziness. Seek immediate medical attention if you or someone else may have taken too much naltrexone.
(Click Revia Overdose for more information.)

Storage Information

Naltrexone should be stored at room temperature in a tightly sealed container. Keep this and all other medications out of the reach of children and pets.

What Should I Do If I Miss a Dose?

If you forget a dose, take it as soon as you remember, unless it is almost time for the next dose. In this case, simply skip the missed dose and continue with your regular schedule. Do not take a double dose.

Is There a Generic Version?

This medication is available in generic form (see Generic Revia).

Who Makes Naltrexone?

Brand-name naltrexone (sold under the name Revia) is made by Duramed Pharmaceuticals, Inc. Generic forms are made by a few different companies.

Available Strengths

Naltrexone tablets are available in one strength: Naltrexone 50 mg.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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