Allopurinol and Tendon pain - a phase IV clinical study of FDA data

Summary:

Tendon pain is reported as a side effect among people who take Allopurinol (allopurinol), especially for people who are male, 60+ old, have been taking the drug for < 1 month also take Calcitriol, and have Prostate cancer.

The phase IV clinical study analyzes which people have Tendon pain when taking Allopurinol. It is created by eHealthMe based on reports of 188,106 people who have side effects when taking Allopurinol from the FDA, and is updated regularly.

What is Allopurinol?

Allopurinol has active ingredients of allopurinol. It is often used in gout. eHealthMe is studying from 190,868 Allopurinol users. Check the latest studies of Allopurinol.

What is Tendon pain?

Tendon pain is found to be associated with 416 drugs and 650 conditions by eHealthMe. Check the latest studies of Tendon pain.



On Jul, 18, 2026

188,106 people reported to have side effects when taking Allopurinol.
Among them, 66 people (0.04%) have Tendon pain.

Could Allopurinol cause Tendon pain?

Among these 66 people:

How long have people been on Allopurinol when they have Tendon pain? *

  • < 1 month: 80 %
  • 1 - 6 months: 0.0 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 20 %
  • 10+ years: 0.0 %

What is the gender of people who have Tendon pain when taking Allopurinol? *

  • female: 36.21 %
  • male: 63.79 %

What is the age of people who have Tendon pain when taking Allopurinol? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 3.45 %
  • 20-29: 1.72 %
  • 30-39: 1.72 %
  • 40-49: 1.72 %
  • 50-59: 20.69 %
  • 60+: 70.69 %

What are other drugs people take besides Allopurinol? *

  1. Avodart: 12 people, 18.18%
  2. Calcitriol: 12 people, 18.18%
  3. Atenolol: 10 people, 15.15%
  4. Lipitor: 10 people, 15.15%
  5. Simvastatin: 10 people, 15.15%
  6. Zometa: 9 people, 13.64%
  7. Celebrex: 9 people, 13.64%
  8. Decadron: 9 people, 13.64%
  9. Furosemide: 9 people, 13.64%
  10. Fish Oil: 8 people, 12.12%

What are other side effects people have besides Tendon pain? *

  1. Fatigue (feeling of tiredness): 27 people, 40.91%
  2. Pain In Extremity: 25 people, 37.88%
  3. Joint Pain: 24 people, 36.36%
  4. Fever: 15 people, 22.73%
  5. Gait Disturbance: 14 people, 21.21%
  6. Rashes (redness): 14 people, 21.21%
  7. Oedema Peripheral (superficial swelling): 13 people, 19.70%
  8. Tendonitis (a condition that causes pain and swelling of tendons): 13 people, 19.70%
  9. Arthritis (form of joint disorder that involves inflammation of one or more joints): 13 people, 19.70%
  10. Muscle Aches (muscle pain): 12 people, 18.18%

What are the existing conditions these people have? *

  1. Prostate Cancer: 8 people, 12.12%
  2. Chronic Lymphocytic Leukaemia (cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell)): 7 people, 10.61%
  3. Bronchitis (inflammation of the mucous membrane in the bronchial tubes): 6 people, 9.09%
  4. Polycythaemia Vera (blood disorder in which the bone marrow makes too many red blood cells): 6 people, 9.09%
  5. Ill-Defined Disorder: 5 people, 7.58%
  6. Urinary Tract Infection: 4 people, 6.06%
  7. Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 4 people, 6.06%
  8. Peritonitis (inflammation of the peritoneum, the thin tissue that lines the inner wall of the abdomen and covers most of the abdominal organs): 4 people, 6.06%
  9. Prostatitis (inflammation of the prostate gland): 3 people, 4.55%
  10. Kidney Stones: 2 people, 3.03%

* Approximation only. Some reports may have incomplete information.

Do you take Allopurinol and have Tendon pain?

- Check whether Tendon pain 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 Allopurinol:

Tendon pain treatments and more:

How severe was Tendon pain and when was it recovered:

Expand to all the drugs that have ingredients of allopurinol:

Sub-studies by gender and age:

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

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

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

Browse all the drugs that are associated with Tendon pain:

Browse all the conditions that are associated with Tendon pain:


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.

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.



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