Naltrexone is a brand of Naltrexone.
Treatment with naltrexone for extended-release injectable suspension should be part of a comprehensive management program that includes psychosocial s.
From the official label (Jan 2026). Your prescription and pharmacist come first.
Ce que dit la notice officielle. Si un médecin vous l'a prescrit, suivez l'ordonnance. La notice de votre boîte prime si elle est différente.
Treatment with naltrexone for extended-release injectable suspension should be part of a comprehensive management program that includes psychosocial support. Naltrexone for extended-release injectable suspension contains naltrexone, an opioid antagonist, and is indicated for the treatment of alcohol dependence in patients who are able to abstain from alcohol in an outpatient setting prior to initiation of treatment with naltrexone for extended-release injectable suspension. Patients should not be actively drinking at the time of initial naltrexone for extended-release injectable suspension administration (1.1) . …
Naltrexone for extended-release injectable suspension is an off-white to light tan powder for injectable suspension in a 5 mL single-dose vial. Naltrexone for extended-release injectable suspension contains 380 mg of naltrexone in a microsphere formulation per vial (337 mg of naltrexone per gram of microspheres). …
In trials of alcohol-dependent subjects, 2.6% (n=26) of subjects were >65 years of age, and one patient was >75 years of age. Clinical studies of naltrexone for extended-release injectable suspension did not include sufficient numbers of subjects age 65 and over to determine whether they respond differently from younger subjects. No subjects over age 65 were included in studies of opioid-dependent subjects. …
Patients taking naltrexone for extended-release injectable suspension may not benefit from opioid-containing medicines. Naltrexone antagonizes the effects of opioid-containing medicines, such as cough and cold remedies, antidiarrheal preparations and opioid analgesics. Naltrexone antagonizes the effects of opioid-containing medicines, such as cough and cold remedies, antidiarrheal preparations, and opioid analgesics (7) .
Vulnerability to Opioid Overdose : Following naltrexone for extended-release injectable suspension treatment, opioid tolerance is reduced from pretreatment baseline and patients are vulnerable to potentially fatal overdose at the end of a dosing interval, after missing a dose, or after discontinuing naltrexone for extended-release injectable suspension treatment. Attempts to overcome blockade may also lead to fatal overdose. Strongly consider recommending or prescribing an opioid reversal agent (e.g., naloxone, nalmefene) for the emergency treatment of opioid overdose (5.1) . …
The following clinically significant adverse reactions are described elsewhere in the labeling: Accidental Opioid Overdose [see Warnings and Precautions ( 5.1 ) ] Injection Site Reactions [see Warnings and Precautions ( 5.2 ) ] Precipitated Opioid Withdrawal [see Warnings and Precautions ( 5.3 ) ] Hepatotoxicity [see Warnings and Precautions ( 5.4 ) ] Depression and Suicidality [see Warnings and Precautions ( 5.5 ) ] Eosinophilic Pneumonia [see Warnings and Precautions ( 5.7 ) ] Hypersensitivity Reactions [see Warnings and Precautions ( 5.8 ) ] The adverse events seen most frequently in association with naltrexone for extended-release injectable suspension therapy for alcohol dependence (i.e …
8.1 Pregnancy Risk Summary The available data from published case series with naltrexone for extended-release injectable suspension use in pregnant women are insufficient to identify a drug-associated risk of major birth defects, miscarriage or adverse maternal or fetal outcomes. There are clinical considerations (see Clinical Considerations ). …
There is limited experience with overdose of naltrexone for extended-release injectable suspension. Single doses up to 784 mg were administered to 5 healthy subjects. There were no serious or severe adverse events. The most common effects were injection site reactions, nausea, abdominal pain, somnolence, and dizziness. There were no significant increases in hepatic enzymes. In the event of an overdose, appropriate supportive treatment should be initiated.
Prenez-le dès que vous y pensez, sauf s'il est presque l'heure de la dose suivante. Dans ce cas, sautez la dose oubliée. Ne prenez jamais deux doses à la fois pour compenser. Vérifiez votre notice, certains médicaments font exception.
Prices in other countries are not what you will pay where you live; they show how prices compare.
Price of Naltrexone in: Royaume-Uni
Products with Naltrexone as the active ingredient. Names differ between countries.
Type the registration number on the pack, or scan it with your camera.
Naltrexone contains Naltrexone. Other brands with the same active ingredient work the same way; the dose and strength on your pack are what matter.
Treatment with naltrexone for extended-release injectable suspension should be part of a comprehensive management program that includes psychosocial support. Naltrexone for extended-release injectable suspension contains naltrexone, an opioid antagonist, and is indicated for the treatment of alcohol dependence in patients who are able to abstain from alcohol in an outpatient setting prior to initiation of treatment w (From the official U.S. FDA label.)
Follow your prescription or the leaflet in your pack. The official label says: Naltrexone for extended-release injectable suspension must be prepared and administered by a healthcare provider (2.1 , 2.6) . Prior to initiating naltrexone for extended-release injectable suspension, an opioid-free duration of a minimum of 7–10 days is recommended for patients, to avoid precipitation of opioid withdrawal that may be severe enough to require hospitalization (2…
Naltrexone for Extended-Release Injectable Suspension for Opioid Use Disorder: Advise patients that if they previously used opioids, they may be more sensitive to lower doses of opioids and at risk of accidental overdose should they use opioids when their next…
Usually yes. Naltrexone is a prescription medicine in most countries. Rules differ by country.
Naltrexone is sold under names such as Revia, Contrave, Vivitrol. Brand names differ between countries.
The official label lists: The following clinically significant adverse reactions are described elsewhere in the labeling: Accidental Opioid Overdose [see Warnings and Precautions ( 5.1 ) ] Injection Site Reactions [see Warnings and Precautions ( 5.2 ) ] Precipitated Opioid Withdrawal [see Warnings and Precautions ( 5.3 ) ] Hepatotoxicity [see Warnings and Precautions ( 5.4 ) ] Depression and Suicidality… Tell your doctor about any side effect that bothers you or does not go away.
The safety and efficacy of naltrexone for extended-release injectable suspension have not been established in the pediatric population. The pharmacokinetics of naltrexone for extended-release injectable suspension have not been evaluated in a pediatric population. Always use the dose for the child's age or weight on the pack or prescription.
8.1 Pregnancy Risk Summary The available data from published case series with naltrexone for extended-release injectable suspension use in pregnant women are insufficient to identify a drug-associated risk of major birth defects, miscarriage or adverse maternal or fetal outcomes. There are clinical considerations (see Clinical Considerations ). … Ask your doctor or midwife first.
Patients taking naltrexone for extended-release injectable suspension may not benefit from opioid-containing medicines. Naltrexone antagonizes the effects of opioid-containing medicines, such as cough and cold remedies, antidiarrheal preparations and opioid analgesics. Naltrexone antagonizes the effects of opioid-containing medicines, such as cough and cold remedies, antidiarrh… Use the free interaction checker before combining medicines.
There is limited experience with overdose of naltrexone for extended-release injectable suspension. Single doses up to 784 mg were administered to 5 healthy subjects. There were no serious or severe adverse events. The most common effects were injection site reactions, nausea, abdominal pain, somnol… Get medical help right away.
Scan the registration number on your pack with PillVera (NAFDAC number in Nigeria, NDC in the United States, DIN in Canada), check the expiry date and buy only from licensed pharmacies.
This page shows what official sources say, in plain words. It is not medical advice: your prescription and your doctor or pharmacist come first. Brand names, strengths and rules differ between countries.