Generic Name: Naltrexone hydrochloride

  • What is ReVia?

    ReVia is indicated in the treatment of alcohol dependence and for blocking the effects of certain opioids.
  • What is the most important information I should know about ReVia?

    You should carry identification to alert medical personnel to the fact that you are taking ReVia. A ReVia medication card may be obtained from your physician and can be used for this purpose. Carrying the card should help to ensure that you can obtain adequate treatment in an emergency.

    If you attempt to self-administer large doses of heroin or any other opioid, including methadone, while on ReVia you may fall into a coma, sustain serious injury, or die.

    ReVia is well-tolerated in the recommended doses, but may cause liver injury when taken in excess or in people who develop liver disease from other causes. If you develop abdominal pain lasting more than a few days, pale bowel movements, dark urine, or yellowing of the eyes, you should stop taking ReVia immediately and see you doctor as soon as possible.

  • Who should not take ReVia?

    You should not take ReVia if you: are receiving opioid analgesics; are currently dependent on opioids; are in acute opioid withdrawal; have failed the naloxone challenge test or have a positive urine screen for opioids; have a sensitivity to ReVia or any other components of the product; or have acute hepatitis or liver failure.
  • What should I tell my doctor before I take the first dose of ReVia?

    Tell your doctor about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with ReVia. Talk to your doctor about your complete medical history. Tell your doctor if you are pregnant, planning to become pregnant, or are breastfeeding.
  • What is the usual dosage?

    The information below is based on the dosage guidelines your doctor uses. Depending on your condition and medical history, your doctor may prescribe a different regimen. Do not change the dosage or stop taking your medication without your doctor's approval.

    Adults: The recommended dosages are 50 milligrams (mg) every weekday with a 100 mg dose on Saturday; or 100 mg every other day; or 150 mg every third day.

    Administration and single doses of ReVia higher than 50 mg may be associated with an increased risk of liver injury even though three-times-a-week dosing has been well tolerated.

  • How should I take ReVia?

    Take ReVia as directed by your physician.
  • What should I avoid while taking ReVia?

    Avoid taking opioid-containing preparations.
  • What are possible food and drug interactions associated with ReVia?

    If ReVia is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with your doctor before combining ReVia with the following: disulfiram; opioids and opioid-containing medicines such as cough and cold preparations, antidiarrheal preparations, and opioid analgesics; and thioridazine.
  • What are the possible side effects of ReVia?

    Side effects cannot be anticipated. If any develop or change in intensity, tell your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking this drug.

    Side effects may include: abdominal cramps, anxiety, bone or joint pain, chills, cough, decreased energy, difficulty sleeping, dizziness, headache, irritability, itching, mild nausea, muscle pain, nasal symptoms, nervousness, restlessness, runny nose, shortness of breath, skin rash, sneezing, tearfulness, vomiting

  • Can I receive ReVia if I am pregnant or breastfeeding?

    There are no adequate and well-controlled studies in pregnant women. In animal studies, ReVia as well as its metabolite were found to be excreted in lactating rats. It is not known whether or not ReVia is excreted in human breast milk.
  • What should I do if I miss a dose of ReVia?

    If you miss a dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose, and resume your normal dosage schedule.
  • How should I store ReVia?

    Store at room temperature away from heat, light, and moisture.