Information about Naltrexone

Naltrexone Uses

Naltrexone is used in the treatment of opioid dependence and alcohol addiction.

How Naltrexone works

Naltrexone is an opioid antagonist. It works by blocking the euphoric feelings (highs) that you may experience after taking opiates and alcohol. This reduces craving and helps you remain off of them.

Common side effects of Naltrexone

Joint pain, Muscle pain, Insomnia (difficulty in sleeping), Weakness, Anxiety, Restlessness, Fainting, Increased thirst, Decreased libido, Decreased sexual function
Written By
Reviewed By
MD (Pharmacology), MBBS
Last updated:
18 Feb 2020 | 11:51 AM (UTC)

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Available Medicine for Naltrexone

NaltimaIntas Pharmaceuticals Ltd
7661 variant(s)
NodictSun Pharmaceutical Industries Ltd
7871 variant(s)
AddtrexRusan Pharma Ltd
6631 variant(s)
NaltreatPsychocare Health Pvt Ltd
8001 variant(s)
GigadictRyon Pharma
8401 variant(s)
NalconConsern Pharma Limited
7851 variant(s)
NaltrexSynmedic Laboratories
3501 variant(s)
NaltrawaveBrainwave Healthcare Pvt Ltd
7701 variant(s)

Expert advice for Naltrexone

  • Take it at the same time every day to help you remember to take it.
  • Do not consume opioid derivatives while on this treatment.
  • Do not drive or do anything requiring concentration until you know how Naltrexone affects you.
  • Your doctor may check your liver function before starting treatment and regularly thereafter.
  • Inform your doctor if you are pregnant, planning to become pregnant or are breastfeeding.

Frequently asked questions for Naltrexone


Q. Can you take Naltrexone forever?

No, Naltrexone must be taken as long as prescribed by your doctor

Q. Can you take Naltrexone with Xanax (alprazolam)?

Caution has to be exercised when Naltrexone is taken with alprazolam and its derivatives

Q. Can you take naltrexone with suboxone (naloxone and buprenorphine)/ Subtex (buprenorphine)?

No, both suboxone and subtext are used in opioid withdrawal. Hence they should not be taken with naltrexone, as an additive effect leading to side effects may occur. Always follow the instructions of the doctor

Q. Does Naltrexone make you high/ sleepy?

No, Naltrexone does not make you high but, may rarely make you sleepy

Q. Does Naltrexone help with pain/ for weight loss?

Naltrexone has no known effects on pain and is not indicated for weight loss

Q. Does Naltrexone help with opiate cravings?

Yes, Naltrexone helps reduce opiate cravings

Q. Does Naltrexone test positive for opiates?

No, Naltrexone does not test positive for opiates.


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