• U.S. Brand Names: ReVia®;Vivitrol®
• Canadian Brand Names: ReVia®
• Mexican Brand Names: Re-Via
• Pharmacologic Category: Antidote;Opioid Antagonist

• This medicine is used to maintain an alcohol-free state.
• This medicine is used to maintain a drug-free state.
• Naltrexone prevents drug-seeking behavior.
• It prevents the "high" from drug abuse.

How to take

• Oral:
• Take this medicine with or without food. Take with food if it causes an upset stomach.
• Injection:
• This medicine is given as a shot into a muscle.

Missed Dose

• Take a missed dose as soon as possible.
• If it is almost time for the next dose, skip the missed dose and return to your regular schedule.
• Do not take a double dose or extra doses.
• Do not change dose or stop medicine. Talk with healthcare provider.

Storage

• Store tablets at room temperature.
• Protect tablets from moisture. Do not store in a bathroom or kitchen.
• Injection:
• This medicine will be given to you in a healthcare setting. You will not store it at home.

Warnings

• This medicine may cause liver damage. Closely review the section in this leaflet which lists when to call healthcare provider.
• Injection:
• Please read the medication guide.

Avoid

• If you have an allergy to naltrexone or any other part of this medicine.
• Tell healthcare provider if you are allergic to any medicine. Make sure to tell about the allergy and how it affected you. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other symptoms involved.
• If you have any of the following conditions: Hepatitis or liver failure.
• If you are addicted to drugs or are going through withdrawal.
• If you are taking a narcotic pain medicine.

Precautions

• If you have bleeding problems, talk with healthcare provider.
• If you have kidney disease, talk with healthcare provider.
• Check medicines with healthcare provider. This medicine may not mix well with other medicines.
• You may not be alert. Avoid driving, doing other tasks or activities until you see how this medicine affects you.
• Avoid alcohol (includes wine, beer, and liquor) or other medicines and natural products that slow your actions and reactions.
• Tell healthcare provider if you are pregnant or plan on getting pregnant.
• Tell healthcare provider if you are breast-feeding.

Side Effects

• Oral and injection:
• Feeling lightheaded, sleepy, having blurred vision, or a change in thinking clearly. Avoid driving, doing other tasks or activities that require you to be alert or have clear vision until you see how this medicine affects you.
• Nervous and excitable.
• Headache.
• Belly pain.
• Nausea or vomiting. Small frequent meals, frequent mouth care, sucking hard, sugar-free candy, or chewing sugar-free gum may help.
• Inability to sleep.
• Liver damage can rarely occur.
• Injection:
• Irritation where the shot is given.

Monitoring

• Change in condition being treated. Is it better, worse, or about the same?
• Follow up with healthcare provider.

Contact a healthcare provider

• If you suspect an overdose, call your local poison control center or emergency department immediately.
• Signs of a life-threatening reaction. These include wheezing; chest tightness; fever; itching; bad cough; blue skin color; fits; or swelling of face, lips, tongue, or throat.
• Signs or symptoms of depression, suicidal thoughts, nervousness, emotional ups and downs, abnormal thinking, anxiety, or lack of interest in life.
• Significant change in thinking clearly and logically.
• Difficulty breathing.
• Severe dizziness or passing out.
• Shortness of breath.
• Persistent cough.
• Severe belly pain.
• Not able to eat.
• Dark urine or yellow skin or eyes.
• Feeling extremely tired or weak.
• Severe skin irritation.
• Any rash.
• No improvement in condition or feeling worse.

General Statements

• If you have a life-threatening allergy, wear allergy identification at all times.
• Do not share your medicine with others and do not take anyone else's medicine.
• Keep all medicine out of the reach of children and pets.
• Most medicines can be thrown away in household trash after mixing with coffee grounds or kitty litter and sealing in a plastic bag.
• In Canada return any unused drugs back to the pharmacy. Also, visit http://www.hc-sc.gc.ca/hl-vs/iyh-vsv/med/disposal-defaire-eng.php#th for more facts about the right way to get rid of unused drugs.
• Keep a list of all your medicines (prescription, natural products, supplements, vitamins, over-the-counter) with you. Give this list to healthcare provider (doctor, nurse, nurse practitioner, pharmacist, physician assistant).
• Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or in Canada to Health Canada's Canada Vigilance Program at 1-866-234-2345.
• Talk with healthcare provider before starting any new medicine, including over-the-counter, natural products, or vitamins.

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