Lopurin and Urticaria papular - a phase IV clinical study of FDA data


Urticaria papular is found among people who take Lopurin, especially for people who are female, 60+ old, have been taking the drug for < 1 month.

The phase IV clinical study analyzes which people take Lopurin and have Urticaria papular. It is created by eHealthMe based on reports of 164,084 people who have side effects when taking Lopurin from the FDA, and is updated regularly. You can use the study as a second opinion to make health care decisions.

Phase IV trials are used to detect adverse drug outcomes and monitor drug effectiveness in the real world. With medical big data and AI algorithms, eHealthMe is running millions of phase IV trials and makes the results available to the public. Our original studies have been referenced on 600+ medical publications including The Lancet, Mayo Clinic Proceedings, and Nature.

On Aug, 18, 2022

164,084 people reported to have side effects when taking Lopurin.
Among them, 6 people (0.0%) have Urticaria papular.

What is Lopurin?

Lopurin has active ingredients of allopurinol. eHealthMe is studying from 152,456 Lopurin users for its effectiveness, alternative drugs and more.

What is Urticaria papular?

Urticaria papular (rash of round, red welts on the skin that itch intensely) is found to be associated with 295 drugs and 137 conditions by eHealthMe.

Number of Lopurin and Urticaria papular reports submitted per year:

Could Lopurin cause Urticaria papular?

Time on Lopurin when people have Urticaria papular *:

  • < 1 month: 100 %
  • 1 - 6 months: 0.0 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

Gender of people who have Urticaria papular when taking Lopurin *:

  • female: 66.67 %
  • male: 33.33 %

Age of people who have Urticaria papular when taking Lopurin *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 0.0 %
  • 40-49: 20 %
  • 50-59: 20 %
  • 60+: 60 %

Common drugs people take besides Lopurin *:

  1. Bactrim: 2 people, 33.33%
  2. Xarelto: 1 person, 16.67%
  3. Plavix: 1 person, 16.67%
  4. Pantoprazole: 1 person, 16.67%
  5. Niaspan: 1 person, 16.67%
  6. Nexium: 1 person, 16.67%
  7. Lyrica: 1 person, 16.67%
  8. Famotidine: 1 person, 16.67%
  9. Doryx: 1 person, 16.67%
  10. Cymbalta: 1 person, 16.67%

Common side effects people have besides Urticaria papular *:

  1. Urticaria (rash of round, red welts on the skin that itch intensely): 2 people, 33.33%
  2. Rash Papular (redness with papule): 1 person, 16.67%
  3. Photosensitivity Reaction: 1 person, 16.67%
  4. Itching: 1 person, 16.67%
  5. Haemorrhage Subcutaneous (bleeding from skin): 1 person, 16.67%
  6. Haemorrhage (bleeding): 1 person, 16.67%
  7. Erythema Multiforme (a type of hypersensitivity reaction): 1 person, 16.67%
  8. Arrhythmias (irregular heartbeat): 1 person, 16.67%

Common conditions people have *:

  1. Hyperuricaemia (level of uric acid in the blood that is abnormally high): 3 people, 50.00%
  2. Chronic Lymphocytic Leukaemia (cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell)): 2 people, 33.33%
  3. Stroke (sudden death of a portion of the brain cells due to a lack of oxygen): 1 person, 16.67%
  4. Low Density Lipoprotein Increased (cholesterol increased in blood): 1 person, 16.67%
  5. Hypogonadism (reduction or absence of hormone secretion or other physiological activity of the gonads (testes or ovaries)): 1 person, 16.67%
  6. High Density Lipoprotein Decreased: 1 person, 16.67%
  7. Depression: 1 person, 16.67%
  8. Arrhythmias (irregular heartbeat): 1 person, 16.67%
  9. Abdominal Pain Upper: 1 person, 16.67%

* Approximation only. Some reports may have incomplete information.

Do you take Lopurin and have Urticaria papular?

Check whether Urticaria papular is associated with a drug or a condition

How to use the study?

You can discuss the study with your doctor, to ensure that all drug risks and benefits are fully discussed and understood.

Related studies

How severe was Urticaria papular and when was it recovered:

Expand to all the drugs that have ingredients of allopurinol:

Alternative drugs to, pros and cons of Lopurin:

Common Lopurin side effects:

Browse all side effects of Lopurin:

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

Urticaria papular treatments and more:

COVID vaccines that are related to Urticaria papular:

All the drugs that are associated with Urticaria papular:

All the conditions that are associated with Urticaria papular:

How the study uses the data?

The study uses data from the FDA. It is based on allopurinol (the active ingredients of Lopurin) and Lopurin (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.

Who is eHealthMe?

With medical big data and proven AI 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 600+ 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: 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.

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