Naltrexone hydrochloride and Rashes - a phase IV clinical study of FDA data

Summary:

Rashes is reported as a side effect among people who take Naltrexone hydrochloride (naltrexone hydrochloride), especially for people who are female, 60+ old, have been taking the drug for 1 - 2 years also take Epinephrine, and have Immune system disorder.

The phase IV clinical study analyzes which people have Rashes when taking Naltrexone hydrochloride. It is created by eHealthMe based on reports of 1,502 people who have side effects when taking Naltrexone hydrochloride from the FDA, and is updated regularly.

What is Naltrexone hydrochloride?

Naltrexone hydrochloride has active ingredients of naltrexone hydrochloride. It is often used in alcoholism. eHealthMe is studying from 1,712 Naltrexone hydrochloride users. Check the latest studies of Naltrexone hydrochloride.

What is Rashes?

Rashes (redness) is found to be associated with 3,715 drugs and 6,216 conditions by eHealthMe. Check the latest studies of Rashes.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Sep, 02, 2026

1,502 people reported to have side effects when taking Naltrexone hydrochloride.
Among them, 56 people (3.73%) have Rashes.

Could Naltrexone hydrochloride cause Rashes?

Among these 56 people:

How long have people been on Naltrexone hydrochloride when they have Rashes? *

What is the gender of people who have Rashes when taking Naltrexone hydrochloride? *

female: 88.46 %
male: 11.54 %

What is the age of people who have Rashes when taking Naltrexone hydrochloride? *

What are other drugs people take besides Naltrexone hydrochloride? *

Acetaminophen: 17 people, 30.36%
Epinephrine: 17 people, 30.36%
Vitamin D3: 12 people, 21.43%
Diphenhydramine Hydrochloride: 10 people, 17.86%
Gabapentin: 9 people, 16.07%
Hydroxyzine Hydrochloride: 9 people, 16.07%
Protonix: 9 people, 16.07%
Benadryl: 9 people, 16.07%
Ambien: 8 people, 14.29%
Cymbalta: 8 people, 14.29%

What are other side effects people have besides Rashes? *

Itching: 24 people, 42.86%
Pain: 20 people, 35.71%
Fatigue (feeling of tiredness): 18 people, 32.14%
Headache (pain in head): 16 people, 28.57%
Joint Pain: 14 people, 25.00%
Fever: 13 people, 23.21%
Nausea (feeling of having an urge to vomit): 13 people, 23.21%
Diarrhea: 11 people, 19.64%
Head Injury: 11 people, 19.64%
Fall: 11 people, 19.64%

What are the existing conditions these people have? *

Immune System Disorder: 8 people, 14.29%
Metastases To Bone (cancer spreads to bone): 5 people, 8.93%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 5 people, 8.93%
Immunodeficiency Common Variable: 5 people, 8.93%
Dermatitis Atopic (inflammatory, chronically relapsing, non-contagious and pruritic skin disorder): 4 people, 7.14%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 4 people, 7.14%
Bipolar Disorder (mood disorder): 4 people, 7.14%
Dermatomyositis (inflammation of the skin and underlying muscle tissue, typically occurring as an autoimmune condition or associated with internal cancer): 3 people, 5.36%
Itching: 3 people, 5.36%
B-Lymphocyte Abnormalities (abnormal population of b lymphocytes in the blood, bone marrow, or tissues): 3 people, 5.36%

* Approximation only. Some reports may have incomplete information.

Do you take Naltrexone hydrochloride and have Rashes?

- Check whether Rashes is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Naltrexone hydrochloride:

Naltrexone hydrochloride (1,712 reports)

Rashes treatments and more:

Rashes (702,909 reports)

Browse all side effects of Naltrexone hydrochloride:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all the drugs that are associated with Rashes:

Rashes (3,715 drugs)

Browse all the conditions that are associated with Rashes:

Rashes (6,216 conditions)

Related publications that referenced our studies

Behnoush B, Memarian A, Teimoory M, "Naltrexone Induced Serotonin Syndrome", International Journal of Medical Toxicology and Forensic Medicine, 2013 Apr .
Behnoush B, Memarian A, Teimoory M, "Naltrexone Induced Serotonin Syndrome", International Journal of Medical Toxicology and Forensic Medicine, 2013 Apr .

How the study uses the data?

The study uses data from the FDA. It is based on naltrexone hydrochloride (the active ingredients of Naltrexone hydrochloride) and Naltrexone hydrochloride (the brand name). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.

How to use the study?

DO NOT STOP MEDICATIONS without first consulting your doctor. If there are any serious or long term adverse effects discovered in the study, discuss the study with your doctor to ensure that proper medication management will be in place if applicable.

Who is eHealthMe?

With medical big data and proven AI/ML algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 800+ peer-reviewed medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).

WARNING, DISCLAIMER, USE FOR PUBLICATION

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only. Our phase IV clinical studies alone cannot establish cause-effect relationship. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

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