Plaquenil and Rash morbilliform - a phase IV clinical study of FDA data

Summary:

Rash morbilliform is reported as a side effect among people who take Plaquenil (hydroxychloroquine sulfate), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Lamictal, and have Epilepsy.

The phase IV clinical study analyzes which people have Rash morbilliform when taking Plaquenil. It is created by eHealthMe based on reports of 88,348 people who have side effects when taking Plaquenil from the FDA, and is updated regularly.

What is Plaquenil?

Plaquenil has active ingredients of hydroxychloroquine sulfate. It is often used in systemic lupus erythematosus. eHealthMe is studying from 91,018 Plaquenil users. Check the latest studies of Plaquenil.

What is Rash morbilliform?

Rash morbilliform (a rash that looks like measles) is found to be associated with 350 drugs and 537 conditions by eHealthMe. Check the latest studies of Rash morbilliform.

On Jul, 15, 2026

88,348 people reported to have side effects when taking Plaquenil.
Among them, 22 people (0.02%) have Rash morbilliform.

Could Plaquenil cause Rash morbilliform?

Among these 22 people:

How long have people been on Plaquenil when they have Rash morbilliform? *

What is the gender of people who have Rash morbilliform when taking Plaquenil? *

female: 70 %
male: 30 %

What is the age of people who have Rash morbilliform when taking Plaquenil? *

What are other drugs people take besides Plaquenil? *

What are other side effects people have besides Rash morbilliform? *

Itching: 11 people, 50.00%
Fever: 10 people, 45.45%
Eosinophilia (eosinophil count in the peripheral blood exceeds): 10 people, 45.45%
Blood Creatinine Increased: 6 people, 27.27%
Acidosis (build-up of carbon dioxide in the blood): 5 people, 22.73%
Diarrhea: 5 people, 22.73%
Confusional State: 5 people, 22.73%
Conjunctivitis (pink eye): 5 people, 22.73%
Nausea And Vomiting: 5 people, 22.73%
Cytolytic Hepatitis (dissolution or destruction of a liver cell): 5 people, 22.73%

What are the existing conditions these people have? *

Epilepsy (common and diverse set of chronic neurological disorders characterized by seizures): 3 people, 13.64%
Osteitis (a general term for inflammation of bone): 2 people, 9.09%
Cardiac Failure: 2 people, 9.09%
Still's Disease Adult Onset (a rare illness that causes high fevers, rash, and joint pain in adult just started): 1 person, 4.55%
Sle Arthritis (an autoimmune disease that causes your immune system to attack your body's own joints): 1 person, 4.55%
Pleurisy (inflammation of the pleurae, which causes pain when breathing): 1 person, 4.55%
Lyme Disease (a bacterial infection that is spread to humans by infected ticks): 1 person, 4.55%
Lupus Nephritis (a chronic inflammatory autoimmune disorder that may affect kidney tissue): 1 person, 4.55%
Hyperphosphataemia (electrolyte disturbance in which there is an abnormally elevated level of phosphate in the blood): 1 person, 4.55%
Hepatocellular Injury (liver injury): 1 person, 4.55%

* Approximation only. Some reports may have incomplete information.

Do you take Plaquenil and have Rash morbilliform?

- Check whether Rash morbilliform is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously

Related studies:

Effectiveness of, long term effects of, and alternative drugs to Plaquenil:

Plaquenil (91,018 reports)

Browse all side effects of Plaquenil:

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 Rash morbilliform:

Rash morbilliform (350 drugs)

Browse all the conditions that are associated with Rash morbilliform:

Rash morbilliform (537 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on hydroxychloroquine sulfate (the active ingredients of Plaquenil) and Plaquenil (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.

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.