Drugs >  Naltrexone
Naltrexone
Pronunciation
Brand Names
Therapeutic Categories
Reasons not to take this medicine
What is this medicine used for?
How does it work?
How is it best taken?
What do I do if I miss a dose?
What are the precautions when taking this medicine?
What are the common side effects of this medicine?
What should I monitor?
Reasons to call healthcare provider immediately
How should I store this medicine?
General statements

Pronunciation
(nal TREKS one)

Brand Names
ReVia®

Therapeutic Categories
Antidote

Reasons not to take this medicine

  • If you have an allergy to naltrexone or any other part of the medicine.
  • If you have acute hepatitis or liver failure.
  • If you are currently using narcotics, have narcotic dependence or narcotic withdrawal.
  • If you have a urine screen that shows you have taken a narcotic.


What is this medicine used for?

  • This medication is used to maintain a narcotic-free state.
  • It can also be used in a recovering alcoholic to maintain an alcohol-free state.


How does it work?

  • Naltrexone prevents drug-seeking behavior.
  • It also prevents the high from narcotics.


How is it best taken?

  • Take with or without food. Take with food if this medicine causes an upset stomach.


What do I do if I miss a dose?

  • Take a missed dose as soon as possible.
  • If it is almost time for the next dose, skip the missed one. Return to your regular schedule.
  • Do not take a double dose or extra doses.


What are the precautions when taking this medicine?

  • Do not use illegal drugs. It could result in death or serious injury.
  • You may not be alert. Avoid driving, doing other tasks or activities until you see how this medicine affects you.
  • Avoid alcohol intake (includes wine, beer, and liquor) and other medicines and herbs that slow your actions and reactions. This includes sedatives, tranquilizers, mood stabilizers, or pain medicine. Talk with healthcare provider.
  • Tell your healthcare provider if you have lung disease. You may be more sensitive to this medication. Your breathing may worsen.
  • 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, throat; or any other symptoms involved.
  • Tell healthcare provider if you are pregnant or plan on getting pregnant.
  • Tell healthcare provider if you are breast-feeding.


What are the common side effects of this medicine?

  • Feeling lightheaded, dizzy, or tired. Avoid driving, doing other tasks or activities that require you to be alert until you see how this medicine affects you.
  • Nausea or vomiting. Small frequent meals, frequent mouth care, sucking hard candy, or chewing gum may help.
  • Headache. Mild pain medicine may help.
  • Inability to sleep and nervousness.
  • Belly pain and cramps.


What should I monitor?

  • Follow up with healthcare provider.


Reasons to call healthcare provider immediately

  • Signs of a life-threatening reaction. These include wheezing; tightness in the chest; fever; itching; bad cough; blue skin color; fits; swelling of face, lips, tongue, or throat.
  • Changes in balance, feeling shaky or unsteady.
  • Changes in thinking clearly and logically.
  • Any rash.


How should I store this medicine?

  • Store in a tight container at room temperature.


General statements

  • 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.
  • Keep a list of all your medicines (prescription, herbal/supplements, vitamins, over-the-counter) with you. Give this list to healthcare provider (doctor, nurse, pharmacist, physician assistant).
  • Talk with healthcare provider before starting any new medicine, including over-the-counter or natural products (herbs, vitamins).


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