Naltrexone for Alcohol Use Disorder

Overview

Naltrexone is a medication that’s approved by the Food and Drug Administration (FDA) to treat Alcohol Use Disorder (AUD). It is also used to treat Opioid Use Disorder (OUD). Naltrexone works in two main ways: it helps reduce cravings and it blocks the effect of alcohol.

When you have AUD, your body craves alcohol and you may have a hard time resisting the urge to drink. Naltrexone can help with this by reducing the cravings you have for alcohol. It does this by blocking the receptors in your brain that are responsible for the pleasurable feelings you get from drinking alcohol.

In addition to reducing cravings, naltrexone also blocks the effects of alcohol if you do decide to drink. Normally, when you drink alcohol, it produces feelings of euphoria. However, if you take naltrexone and then drink alcohol, you won't experience those pleasurable feelings. This can help deter you from drinking and make it easier to cut back or stop altogether.

Overall, naltrexone is a medication that can help individuals with AUD by reducing cravings for alcohol and blocking its pleasurable effects. It can be an important part of a comprehensive treatment program that may also include counseling, psychotherapy, education, and support groups.

How Medication Works

Naltrexone works in two main ways to help with AUD:

• Reducing cravings: Naltrexone helps to reduce the intense desire or cravings for alcohol that people with AUD often experience. By reducing these cravings, it can make it easier for individuals to resist the urge to drink.
• Blocking the effects of alcohol: Naltrexone blocks the effects of alcohol on the brain. When you drink alcohol, it produces feelings of pleasure and reward by increasing the production of endorphins in your body. Endorphins are natural chemicals that relieve pain and make you feel good. However, naltrexone blocks the endorphin receptors in your brain, so if you drink alcohol while taking naltrexone, you won't experience the same pleasurable effects as you normally would.

In simpler terms, naltrexone helps to reduce cravings for alcohol and prevents alcohol from producing its usual pleasurable effects in the brain. This can be helpful for individuals with AUD who are trying to cut down or quit drinking.

It's important to note that naltrexone is also used to treat Opioid Use Disorder (OUD) and works in a similar way by reducing cravings and blocking the effects of opioids on the brain.

How to Use Medication

How to take naltrexone:

• Naltrexone comes in tablet form, and it should be swallowed whole with a full glass of water.
• You can take naltrexone with or without food.
• It's important to take your dose around the same time every day to maintain a steady level of the drug in your body for effective treatment.
• If the tablets are difficult to swallow, you can talk to your doctor or pharmacist for tips on how to take them.

Precautions to be aware of while taking naltrexone include:

• Before starting naltrexone treatment, it's essential to inform your healthcare provider about any liver problems you may have had, such as hepatitis. Naltrexone can worsen liver conditions or put you at a higher risk of liver problems.
• If you have kidney problems or chronic kidney disease, there may be a higher risk of side effects from naltrexone. Your healthcare provider can help determine if naltrexone is the right treatment option for you.
• If you have had an allergic reaction to naltrexone or any of its ingredients in the past, it's likely that your healthcare provider will recommend you avoid naltrexone. They can suggest alternative medications that may be better suited for you.
• If you are pregnant or breastfeeding, it’s not known whether it’s safe to take naltrexone. Talk to your doctor before considering naltrexone treatment.

Potential side effects of naltrexone include:

• Common side effects of full-dose naltrexone include:
  • Constipation
  • Depression
  • Insomnia (difficulty falling alseep or staying asleep)
  • Nausea and vomiting
  • Fatigue (extreme tiredness)
  • Anxiety
  • Abdominal (stomach) pain
  • Dizziness
  • Decreased appetite
  • Headache
• Less common but more serious side effects may include:
  • Liver damage or hepatitis (liver inflammation)
  • Anaphylaxis (a severe allergic reaction)
  • Pneumonia
  • Toothache
  • Sleepiness
  • Muscle cramps
  • Trouble sleeping
  • Painful joints
  • Cold-like symptoms

It's important to note that while lower doses of naltrexone may be safer in terms of side effects, this is not guaranteed. Always consult with your doctor before making any changes to your medication regimen.

Remember, this information is meant to provide an overview of how to use and take naltrexone as well as some precautions and potential side effects. It's always best to consult with your doctor or healthcare provider for personalized advice and guidance regarding your specific situation.

Medication dosing may be affected by many factors. Check with your health care professional about dosing for your individual situation. Other side effects can occur. Check with your health care professional or read the information provided with your medication for additional side effect information.