Naltrexone Oral Tablet 50Mg Drug Medication Dosage Information
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Naltrexone: Oral tablet (50mg)

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Drug Image file DrugItem_19869.JPG
Naltrexone 50mg Tab
Accord Healthcare, Inc.
Pill Identification: 50 
Drug Image file DrugItem_7524.JPG
Naltrexone 50mg Tab
Mallinckrodt Pharmaceuticals
Pill Identification: 1170,A1 05  |  5 0
Drug Image file DrugItem_7524.JPG
Naltrexone 50mg Tab
Mallinckrodt Pharmaceuticals
Pill Identification: 1170,A1 05  |  5 0
Drug Image file default-drug-image.png
Naltrexone 50mg Tab
Drug Image file default-drug-image.png
Naltrexone 50mg Tab

What is this Medicine?

NALTREXONE (nal TREX one) helps you to remain free of your dependence on opiate drugs or alcohol. It blocks the 'high' that these substances can give you. This medicine is combined with counseling and support groups.

Similar Brand Name Drugs : ReVia: Oral tablet (50mg)
CVS Pharmacy Patient Statistics for Naltrexone: Oral tablet(50mg)
Generic vs. Brand Name Usage*
*Brand contains same active ingredient but may not represent FDA-approved generic equivalent
Usage By Strength
In-Depth Information
Select a Medication

Naltrexone Hydrochloride 50mg Tablet

NDC: 167290081
  • Prescription Required
  • Not a Controlled Drug
    (CSA Schedule)
  • FDA Approved




FDA approved for the following conditions:
Ethanol Dependence, Opiate Agonist Dependence

Sometimes used for but not FDA approved for the following conditions:
Nicotine Withdrawal, Pruritus, Opiate Agonist Withdrawal Induction

Storage Information
Store at controlled room temperature (between 68 and 77 degrees F)
Naltrexone Hydrochloride 50mg Tablet
Drug Image file DrugItem_19869.JPG
Accord Healthcare, Inc.
Pill Identification: 50 
Shape: oval
Color: yellow

Reported Side Effects for Naltrexone Hydrochloride 50mg Tablet

Ejaculation Dysfunction Incidence:
<10.0%*
Severity: MODERATE
Onset: DELAYED
Confusion Incidence:
<1.0%*
Severity: MODERATE
Onset: EARLY
Chills Incidence:
<10.0%*
Severity: MILD
Onset: RAPID
Blurred Vision Incidence:
<1.0%*
Severity: MODERATE
Onset: EARLY
Weight Gain Incidence:
<1.0%*
Severity: MILD
Onset: DELAYED
Causing To Be Hungry Incidence:
<1.0%*
Severity: MILD
Onset: DELAYED
Fainting Incidence:
<13.0%*
Severity: MILD
Onset: EARLY
Weight Loss Incidence:
<1.0%*
Severity: MILD
Onset: DELAYED
Stomach Pain Incidence:
<14.0%*
Severity: MILD
Onset: EARLY
Rapid Heart Rate Incidence:
<1.0%*
Severity: MODERATE
Onset: RAPID
Restlessness Incidence:
<1.0%*
Severity: MILD
Onset: EARLY
Skin Rash Incidence:
<10.0%*
Severity: MILD
Onset: EARLY
Excessive Thirst Incidence:
<10.0%*
Severity: MILD
Onset: EARLY
Irritated Blood Vessels Incidence:
<1.0%*
Severity: MODERATE
Onset: RAPID
Stomach Ulcer Incidence:
<1.0%*
Severity: SEVERE
Onset: DELAYED
Paranoia Incidence:
<1.0%*
Severity: MILD
Onset: EARLY
Rapid Heart Rate Incidence:
<1.0%*
Severity: MODERATE
Onset: EARLY
Ear Pain Incidence:
<1.0%*
Severity: MILD
Onset: EARLY
Eye Irritation Incidence:
<1.0%*
Severity: MILD
Onset: RAPID
Nightmares Incidence:
<1.0%*
Severity: MILD
Onset: EARLY
Increased Sexual Desire Incidence:
<1.0%*
Severity: MILD
Onset: DELAYED
Decreased Sexual Desire Incidence:
<1.0%*
Severity: MILD
Onset: DELAYED
Irritability Incidence:
<10.0%*
Severity: MILD
Onset: DELAYED
Increased Urination Incidence:
<1.0%*
Severity: MILD
Onset: EARLY
Hoarseness Incidence:
<1.0%*
Severity: MILD
Onset: EARLY
Hallucinations Incidence:
<1.0%*
Severity: MODERATE
Onset: EARLY
Hemorrhoids Incidence:
<1.0%*
Severity: MODERATE
Onset: DELAYED
Gas Incidence:
<1.0%*
Severity: MILD
Onset: EARLY
Fever Incidence:
<1.0%*
Severity: MILD
Onset: EARLY
Nose Bleed Incidence:
<1.0%*
Severity: MILD
Onset: DELAYED
Swelling Incidence:
<1.0%*
Severity: MODERATE
Onset: DELAYED
Painful Urination Incidence:
<1.0%*
Severity: MODERATE
Onset: EARLY
Shortness Of Breath Incidence:
<1.0%*
Severity: MODERATE
Onset: EARLY
Drowsiness Incidence:
<4.0%*
Severity: MILD
Onset: EARLY
Loose Stools Incidence:
<13.0%*
Severity: MILD
Onset: EARLY
Cough Incidence:
<1.0%*
Severity: MILD
Onset: DELAYED
Constipation Incidence:
<10.0%*
Severity: MODERATE
Onset: DELAYED
Yawning Incidence:
<1.0%*
Severity: MILD
Onset: EARLY
Hair Loss Incidence:
<1.0%*
Severity: MILD
Onset: DELAYED
Acne Incidence:
<1.0%*
Severity: MILD
Onset: DELAYED
Runny Nose Incidence:
<1.0%*
Severity: MILD
Onset: EARLY
Itching Incidence:
<1.0%*
Severity: MILD
Onset: RAPID
Light Sensitivity Incidence:
<1.0%*
Severity: MODERATE
Onset: EARLY
Eye Inflammation Incidence:
<1.0%*
Severity: MODERATE
Onset: EARLY
Stuffy Nose Incidence:
<1.0%*
Severity: MILD
Onset: EARLY
Sneezing Incidence:
<1.0%*
Severity: MILD
Onset: EARLY
Ringing In Ears Incidence:
<1.0%*
Severity: MILD
Onset: DELAYED
High Blood Pressure Incidence:
<5.0%*
Severity: MODERATE
Onset: EARLY
Shaking Incidence:
<1.0%*
Severity: MILD
Onset: EARLY
Hot Flashes Incidence:
<1.0%*
Severity: MODERATE
Onset: EARLY
Dry Mouth Incidence:
<5.0%*
Severity: MILD
Onset: EARLY
Nervousness Incidence:
2.0-12.0%*
Severity: MILD
Onset: DELAYED
Inability To Sleep Incidence:
3.0-14.0%*
Severity: MILD
Onset: EARLY
Vomiting Incidence:
3.0-14.0%*
Severity: MILD
Onset: EARLY
Headache Incidence:
3.0-25.0%*
Severity: MILD
Onset: EARLY
Tooth Pain Incidence:
4.0%*
Severity: MILD
Onset: DELAYED
Tired Incidence:
>4.0%*
Severity: MILD
Onset: EARLY
Lightheadedness Incidence:
4.0-13.0%*
Severity: MILD
Onset: EARLY
Back Pain Incidence:
6.0%*
Severity: MILD
Onset: DELAYED
Elevated Hepatic Enzymes Incidence:
7.0-20.0%*
Severity: MODERATE
Onset: DELAYED
Muscle Cramps Incidence:
8.0%*
Severity: MILD
Onset: DELAYED
Decreased Appetite Incidence:
9.0-14.0%*
Severity: MILD
Onset: DELAYED
Muscle Pain Incidence:
>10.0%*
Severity: MILD
Onset: EARLY
Joint Pain Incidence:
>10.0%*
Severity: MILD
Onset: DELAYED
Upset Stomach Incidence:
10.0-33.0%*
Severity: MILD
Onset: EARLY
Weakness Incidence:
23.0%*
Severity: MILD
Onset: DELAYED
*This is an approximate aggregated range of reported side effects from clinical studies performed on this drug. Your experience with this drug may be different.
Pregnancy & Lactation Information
FIRST Trimester

Class C - Animal studies have shown an adverse effect and there are no adequate and well-controlled studies in pregnant women. OR No animal studies have been conducted and there are no adequate and well-controlled studies in pregnant women.

SECOND Trimester

Class C - Animal studies have shown an adverse effect and there are no adequate and well-controlled studies in pregnant women. OR No animal studies have been conducted and there are no adequate and well-controlled studies in pregnant women.

THIRD Trimester

Class C - Animal studies have shown an adverse effect and there are no adequate and well-controlled studies in pregnant women. OR No animal studies have been conducted and there are no adequate and well-controlled studies in pregnant women.

Lactation

Caution - Not enough information is available to rule out harm to infants when this drug is taken by nursing mothers.


Learning More About
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