Allopurinol and Painful erection - a phase IV clinical study of FDA data


Painful erection is reported only by a few people who take Allopurinol.

The phase IV clinical study analyzes which people take Allopurinol and have Painful erection. It is created by eHealthMe based on reports of 164,051 people who have side effects while taking Allopurinol from the FDA, and is updated regularly.

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 Jan, 29, 2023

164,051 people reported to have side effects when taking Allopurinol.
Among them, 5 people (0.0%) have Painful erection.

What is Allopurinol?

Allopurinol has active ingredients of allopurinol. It is often used in gout. eHealthMe is studying from 166,561 Allopurinol users for its effectiveness, alternative drugs and more.

What is Painful erection?

Painful erection is found to be associated with 336 drugs and 259 conditions by eHealthMe.

Number of Allopurinol and Painful erection reports submitted per year:

Could Allopurinol cause Painful erection?

Age of people who have Painful erection when taking Allopurinol *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 0.0 %
  • 40-49: 0.0 %
  • 50-59: 66.67 %
  • 60+: 33.33 %

Common drugs people take besides Allopurinol *:

  1. Xanax: 1 person, 20.00%
  2. Klor-Con: 1 person, 20.00%
  3. Ambien: 1 person, 20.00%
  4. Axiron: 1 person, 20.00%
  5. Buspirone Hcl: 1 person, 20.00%
  6. Celebrex: 1 person, 20.00%
  7. Dexilant: 1 person, 20.00%
  8. Famotidine: 1 person, 20.00%
  9. Finasteride: 1 person, 20.00%
  10. Hyzaar: 1 person, 20.00%

Common side effects people have besides Painful erection *:

  1. Curvature Of The Penis: 2 people, 40.00%
  2. Weight Increased: 1 person, 20.00%
  3. High Blood Cholesterol: 1 person, 20.00%
  4. Chest Pain: 1 person, 20.00%
  5. Chills (felling of cold): 1 person, 20.00%
  6. Constipation: 1 person, 20.00%
  7. Diabetes: 1 person, 20.00%
  8. Drug Ineffective: 1 person, 20.00%
  9. Dry Skin: 1 person, 20.00%
  10. Enlarged Prostate: 1 person, 20.00%

Common conditions people have *:

  1. Muscle Spasms (muscle contraction): 1 person, 20.00%
  2. Migraine (headache): 1 person, 20.00%
  3. Blood Testosterone Decreased: 1 person, 20.00%
  4. Asthma: 1 person, 20.00%

* Approximation only. Some reports may have incomplete information.

Do you take Allopurinol and have Painful erection?

Check whether Painful erection 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 Painful erection and when was it recovered:

Expand to all the drugs that have ingredients of allopurinol:

Alternative drugs to, pros and cons of Allopurinol:

Common Allopurinol side effects:

Browse all side effects of Allopurinol:

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

Painful erection treatments and more:

COVID vaccines that are related to Painful erection:

Common drugs associated with Painful erection:

All the drugs that are associated with Painful erection:

Common conditions associated with Painful erection:

All the conditions that are associated with Painful erection:

How the study uses the data?

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