Is naltrexone safe for long term use?

Additionally, although naltrexone is generally regarded as safe for long-term use, there are a few long-term side effects of naltrexone (e.g., arthritis, liver damage and respiratory infections).

Does naltrexone affect the heart?

Effects of Naltrexone on Heart Rate Active naltrexone had no effect on baseline heart rate measured prior to alcohol administration or on mean heart rate following placebo alcohol ingestion. Active naltrexone dampened alcohol-induced increases in heart rate.

Is naltrexone habit forming?

No. Naltrexone is not habit forming or a drug of abuse. It does not cause users to become physically or psychologically dependent.

What does naltrexone do to dopamine?

Naltrexone, which is a μ-opioid receptor antagonist, possibly disturbs normal endogenous opioid binding leading to reduced dopamine release. The dopamine transporter (DAT) plays an important role in controlling the synaptic dopamine levels by removing dopamine from the synapse.

Is naltrexone bad for your liver?

Naltrexone may cause liver damage when taken in large doses. It is not likely that naltrexone will cause liver damage when taken in recommended doses. Tell your doctor if you have or have ever had hepatitis or liver disease.

What is naltrexone 4.5 mg used for?

Use: This preparation has been used in the treatment of fibromyalgia (musculoskeletal pain), psoriasis (4.5-mg capsules), complex regional pain syndrome type I, and other types of pain.

What medications should not be taken with naltrexone?

Which opioids should I avoid with naltrexone?

• use ANY opioid (for example: heroin, morphine, codeine, oxycodone, tramadol, hydrocodone or other prescription or illegal opioids)
• use illicit drugs.
• drink alcohol.
• take CNS depressants such as sedatives, tranquilizers, or other drugs.

Does naltrexone affect exercise?

Naltrexone eliminated the differences in cardiovascular reactivity between the two groups. This provides theoretical support for the role of opioid peptides, such as endorphins, in conditioning associated with regular exercise.

What are the benefits of naltrexone?

It works in the brain to prevent opiate effects (e.g., feelings of well-being, pain relief). It also decreases the desire to take opiates. This medication is also used to treat alcohol abuse. It can help people drink less alcohol or stop drinking altogether.

What drugs should not be taken with naltrexone?

People using naltrexone should not:

• use ANY opioid (for example: heroin, morphine, codeine, oxycodone, tramadol, hydrocodone or other prescription or illegal opioids)
• use illicit drugs.
• drink alcohol.
• take CNS depressants such as sedatives, tranquilizers, or other drugs.

Does naltrexone have a black box warning?

Naltrexone’s FDA-approved label includes a black-box warning regarding hepatotoxicity, although these reversible effects tend to be associated with much higher doses than those used in routine clinical practice (e.g., 300 mg/day or more) and tend to occur only after a patient is on these high doses for extended periods …

What happens if you take too much naltrexone?

You may not feel the effects of these substances if you take or use them at low or normal doses. If you take or use higher doses of opioid medications or drugs during your treatment with naltrexone, it may cause serious injury, coma (long-lasting unconscious state), or death.

How long does it take for naltrexone to take effect?

Peak plasma levels of naltrexone and its active metabolite occur within an hour of oral administration. The duration of naltrexone’s effect depends on the dosage of naltrexone.

What happens if you self-administer opioids while taking naltrexone?

A naltrexone medication card is available from most treatment centers for this purpose. If you try and self-administer opioids while taking naltrexone, you will not perceive any effect. If you attempt to overcome the naltrexone blockade with large doses of opioids, you may die or suffer serious injury, including coma.

What drugs should I avoid while taking naltrexone?

do not take any opioid medications or use opioid street drugs during your treatment with naltrexone. Naltrexone blocks the effects of opioid medications and opioid street drugs. You may not feel the effects of these substances if you take or use them at low or normal doses.

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