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Drug Interactions and Side Effects of Naltrexone

Naltrexone has 53 Side Effects total
26 are Life Threatening
13 Occur Most Frequently

Uses of Naltrexone
 
USES:
This medication is used to prevent people who have been addicted to certain drugs (opiates) from taking them again. It is used as part of a complete treatment program for drug abuse (e.g., compliance monitoring, counseling, behavioral contract, lifestyle changes). This medication must not be used in people currently taking opiates, including methadone. Doing so can cause sudden withdrawal symptoms.

Naltrexone belongs to a class of drugs known as opiate antagonists. 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. It also decreases the desire to drink alcohol when used with a treatment program that includes counseling, support, and lifestyle changes.


Naltrexone has 26 Life Threatening (Critical) Side Effects
 
Critical Seriousness - Blurred Vision is a Life Threatening Side Effect of Naltrexone
Critical Seriousness - Confused - Impaired Cognition is a Life Threatening Side Effect of Naltrexone
Critical Seriousness - Depression is a Life Threatening Side Effect of Naltrexone
Critical Seriousness - Difficult or Painful Urination - Dysuria is a Life Threatening Side Effect of Naltrexone
Critical Seriousness - Earache is a Life Threatening Side Effect of Naltrexone
Critical Seriousness - Eye Irritation - Ocular Irritation is a Life Threatening Side Effect of Naltrexone
Critical Seriousness - Fever is a Life Threatening Side Effect of Naltrexone
Critical Seriousness - Frequent Urination - Increased Urinary Frequency is a Life Threatening Side Effect of Naltrexone
Critical Seriousness - Giant Hives - Angioedema is a Life Threatening Side Effect of Naltrexone
Critical Seriousness - Hallucination - Hallucinations is a Life Threatening Side Effect of Naltrexone
Critical Seriousness - Hepatitis caused by Drugs - Drug-Induced Hepatitis is a Life Threatening Side Effect of Naltrexone
Critical Seriousness - High Blood Pressure - Hypertension is a Life Threatening Side Effect of Naltrexone
Critical Seriousness - Inflammation of Skin caused by an Allergy - Allergic Dermatitis is a Life Threatening Side Effect of Naltrexone
Critical Seriousness - Inflammation of a Vein - Phlebitis is a Life Threatening Side Effect of Naltrexone
Critical Seriousness - Inflammation of the Eye - Ocular Inflammation is a Life Threatening Side Effect of Naltrexone
Critical Seriousness - Itching - Pruritus of Skin is a Life Threatening Side Effect of Naltrexone
Critical Seriousness - Mental Impairment is a Life Threatening Side Effect of Naltrexone
Critical Seriousness - Mood Changes is a Life Threatening Side Effect of Naltrexone
Critical Seriousness - Nosebleed - Epistaxis is a Life Threatening Side Effect of Naltrexone
Critical Seriousness - Pain in the Eye - Ocular Pain is a Life Threatening Side Effect of Naltrexone
Critical Seriousness - Rash - Skin Rash is a Life Threatening Side Effect of Naltrexone
Critical Seriousness - Reaction due to an Allergy - Allergic Reactions is a Life Threatening Side Effect of Naltrexone
Critical Seriousness - Ringing in the Ears - Tinnitus is a Life Threatening Side Effect of Naltrexone
Critical Seriousness - Stomach or Intestinal Ulcer - Gastrointestinal Ulcer is a Life Threatening Side Effect of Naltrexone
Critical Seriousness - Swollen Lymph Nodes - Lymphadenopathy is a Life Threatening Side Effect of Naltrexone
Critical Seriousness - Trouble Breathing - Dyspnea is a Life Threatening Side Effect of Naltrexone

Naltrexone has 13 Most Frequently Occurring Side Effects
 
Anxious - Anxiety is a Frequently Occurring Side Effect of Naltrexone
Chronic Trouble Sleeping - Insomnia is a Frequently Occurring Side Effect of Naltrexone
Feel Like Throwing Up - Nausea is a Frequently Occurring Side Effect of Naltrexone
Giant Hives - Angioedema is a Frequently Occurring Side Effect of Naltrexone
Head Pain - Headache Disorder is a Frequently Occurring Side Effect of Naltrexone
Inflammation of Skin caused by an Allergy - Allergic Dermatitis is a Frequently Occurring Side Effect of Naltrexone
Joint Pain - Arthralgia is a Frequently Occurring Side Effect of Naltrexone
Low Energy - Fatigue is a Frequently Occurring Side Effect of Naltrexone
Muscle Pain - Myalgia is a Frequently Occurring Side Effect of Naltrexone
Rash - Skin Rash is a Frequently Occurring Side Effect of Naltrexone
Reaction due to an Allergy - Allergic Reactions is a Frequently Occurring Side Effect of Naltrexone
Stomach Cramps - Abdominal Pain with Cramps is a Frequently Occurring Side Effect of Naltrexone
Throwing Up - Vomiting is a Frequently Occurring Side Effect of Naltrexone

Naltrexone has 11 Condition Contraindications
 
If you have any of these Conditions then you should carefully evaluate the risks of taking Naltrexone.

Naltrexone Oral Contraindications
(grouped by decreasing seriouosness level)

Absolute Contraindications 

Acute Hepatic Failure - Acute Liver Failure is a contraindication of Naltrexone.

Acute Hepatitis - Active Inflammation of the Liver is a contraindication of Naltrexone.

Opioid Dependence - Narcotic Addiction is a contraindication of Naltrexone.

Opioid Use Within Last 4 Hours in Narcotic-Dependent Patient - Opioid Use Within Last 4 Hours in Narcotic Addicted Patient is a contraindication of Naltrexone.

Opioid Withdrawal Symptoms - Symptoms associated with Morphine or Codeine Withdrawal is a contraindication of Naltrexone.

Relative Contraindications 

Depression is a contraindication of Naltrexone.

Disease of Liver - Liver Problems is a contraindication of Naltrexone.

Eosinophilic Pneumonia - Pneumonia with High Amount of Eosinophil White Blood Cells is a contraindication of Naltrexone.

Suicidal Ideation - Having Thoughts of Suicide is a contraindication of Naltrexone.

Contraindication Warnings 

Increased Creatine Phosphokinase - Increase in the Product of Metabolism Found in Muscle is a contraindication of Naltrexone.

Renal Disease with Moderate to Severe Function Impairment - Moderate to Severe Kidney Impairment is a contraindication of Naltrexone.

Naltrexone has 4 related brands and strengths:
 
Depade 50 Mg Tab

Naltrexone 50 Mg Tab

Naltrexone Powder

Revia 50 Mg Tab

Naltrexone - Symptoms of overdose may include
If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US National Poison Hotline at 1-800-222-1222. Canada residents can call a provincial poison control center.

Contact poison control
If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US national poison hotline at 1-800-222-1222. Canadian residents should call their local poison control center directly.

IMPORTANT NOTICE: The drug information contained in this application is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not exhaustive and is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment. The display and use of this drug information is subject to express terms of use. By continuing to view the drug information on this site, you agree to abide by such terms of use.
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