Revia (Naltrexone) Customer Reviews


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Naltrexone, combined with counseling and social support, aids individuals who have ceased alcohol consumption and illicit drug use to sustain their abstinence. This medication is unsuitable for those who are still engaging in substance abuse or consuming excessive amounts of alcohol. Classified as an opiate antagonist, naltrexone operates by diminishing the urge for alcohol and obstructing the impacts of opiate medications as well as street drugs categorized as opioids.

Uses and Dosage

Naltrexone is available in tablet form for oral administration, either for self-administration at home or under supervision in a clinic or treatment facility. When taken at home, it’s usually consumed once a day with or without food. In clinic or treatment settings, naltrexone dosing may vary, ranging from once a day to once every other day, once every third day, or once every day except for Sundays.

Use naltrexone exactly as prescribed, avoiding deviations in dosage or frequency.

Naltrexone is most effective within the framework of an addiction treatment program. Attending all counseling sessions, support group meetings, educational programs, and other treatments recommended by your doctor is crucial.

While naltrexone helps in steering clear of drugs and alcohol, it does not prevent or alleviate withdrawal symptoms that might emerge when discontinuing substance use. Naltrexone could potentially induce or exacerbate withdrawal symptoms. If you are presently undergoing withdrawal due to ceasing opioid medications or opioid street drugs, refrain from using naltrexone.

Naltrexone can only sustain drug and alcohol avoidance while it’s actively being taken. Even if you feel well, continue adhering to the naltrexone regimen. Discontinuing naltrexone should only be done under the guidance of your doctor.

Side Effects

Some side effects may occur that usually do not need medical attention:

  • nausea
  • vomiting
  • stomach pain or cramping
  • diarrhea
  • constipation
  • loss of appetite
  • headache
  • dizziness
  • anxiety
  • nervousness
  • irritability
  • tearfulness
  • difficulty falling or staying asleep
  • increased or decreased energy
  • drowsiness
  • muscle or joint pain
  • rash

Inform your healthcare provider immediately if you experience any serious side effects:

  • confusion
  • hallucinations (seeing things or hearing voices that do not exist)
  • blurred vision
  • severe vomiting and/or diarrhea


Before using naltrexone, inform your doctor or pharmacist if you have allergies to it or other substances. This product might contain inactive components capable of triggering allergic reactions or other complications.

Prior to initiating this medication, disclose your medical history to your doctor or pharmacist, particularly any recent or current use (within the last 7 to 14 days) of opioid drugs like morphine, methadone, or buprenorphine, as well as any instances of kidney or liver disease.

For emergencies, ensure you possess medical identification indicating your use of this drug to facilitate appropriate treatment.

Naltrexone may induce dizziness. Combining it with alcohol or marijuana can intensify this effect. Engage in tasks requiring alertness, like driving or using machinery, only when you can do so safely.

Following the cessation of naltrexone treatment, you might become more sensitive to lower doses of opioids, heightening the risk of potentially life-threatening opioid-related side effects, such as diminished breathing and loss of consciousness.

This medication blocks the impacts of opiate and similar drugs (opioids), including heroin. However, substantial doses of opioids or heroin can circumvent this blockade. Attempting to do so is extremely perilous and can result in severe harm, loss of consciousness, and even fatality. Thoroughly comprehend and accept the potential risks and benefits of this medication. Adhere closely to your doctor’s instructions.

If you are pregnant, use this medication only when it is absolutely necessary, and discuss its potential risks and benefits with your doctor.

This drug is excreted into breast milk. Consult your doctor before breastfeeding.

Form and Strength

Revia is available in the following forms and strengths:

  • Revia tablet:

    • 50mg
  • naltrexone tablet:

    • 50mg


How long should you be on Revia for?

Most people take the medicine for 12 weeks or more.

How soon can I start Revia?

If you’re taking Revia for opioid use disorder, you’re recommended to wait 7-10 days after stopping opioid medications before you start Revia.



Additional information

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Quantities Available:

30, 90

Can Drug Store has provided information from third parties intended to increase awareness and does not contain all the information about Revia (Naltrexone). Talk to your doctor or a qualified medical practitioner for medical attention, advice, or if you have any concerns about Revia (Naltrexone).