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Colcrys and Urticaria - a phase IV clinical study of FDA data

Summary:

Urticaria is reported as a side effect among people who take Colcrys (colchicine), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Ativan, and have Pain.

The phase IV clinical study analyzes which people have Urticaria when taking Colcrys. It is created by eHealthMe based on reports of 4,414 people who have side effects when taking Colcrys from the FDA, and is updated regularly.

What is Colcrys?

Colcrys has active ingredients of colchicine. It is often used in gout. eHealthMe is studying from 4,546 Colcrys users. Check the latest studies of Colcrys.

What is Urticaria?

Urticaria (rash of round, red welts on the skin that itch intensely) is found to be associated with 2,624 drugs and 2,951 conditions by eHealthMe. Check the latest studies of Urticaria.

On Jul, 04, 2026

4,414 people reported to have side effects when taking Colcrys.
Among them, 39 people (0.88%) have Urticaria.

Could Colcrys cause Urticaria?

Among these 39 people:

How long have people been on Colcrys when they have Urticaria? *

  • < 1 month: 75 %
  • 1 - 6 months: 25 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

What is the gender of people who have Urticaria when taking Colcrys? *

  • female: 55.26 %
  • male: 44.74 %

What is the age of people who have Urticaria when taking Colcrys? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 3.33 %
  • 30-39: 3.33 %
  • 40-49: 23.33 %
  • 50-59: 26.67 %
  • 60+: 43.33 %

What are other drugs people take besides Colcrys? *

  1. Ativan: 7 people, 17.95%
  2. Krystexxa: 6 people, 15.38%
  3. Singulair: 5 people, 12.82%
  4. Percocet: 5 people, 12.82%
  5. Januvia: 4 people, 10.26%
  6. Xanax: 4 people, 10.26%
  7. Voltaren: 4 people, 10.26%
  8. Premarin: 4 people, 10.26%
  9. Nexium: 4 people, 10.26%
  10. Lasix: 4 people, 10.26%

What are other side effects people have besides Urticaria? *

  1. Itching: 11 people, 28.21%
  2. Rashes (redness): 10 people, 25.64%
  3. Dehydration (dryness resulting from the removal of water): 7 people, 17.95%
  4. Diarrhea: 5 people, 12.82%
  5. Dyspnea (difficult or laboured breathing): 5 people, 12.82%
  6. Rash Erythematous (redness of the skin): 5 people, 12.82%
  7. High Blood Pressure: 5 people, 12.82%
  8. Pain In Extremity: 5 people, 12.82%
  9. Pain: 5 people, 12.82%
  10. Chest Pain: 5 people, 12.82%

What are the existing conditions these people have? *

  1. High Blood Cholesterol: 4 people, 10.26%
  2. Chronic Lymphocytic Leukaemia (cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell)): 4 people, 10.26%
  3. Diabetes: 4 people, 10.26%
  4. Pain: 4 people, 10.26%
  5. Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 2 people, 5.13%
  6. Cardiac Disorder: 2 people, 5.13%
  7. Cough: 2 people, 5.13%
  8. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 2 people, 5.13%
  9. Gouty Tophus (a deposit of urates in the skin and tissue around a joint or in the external ear): 2 people, 5.13%
  10. Itching: 2 people, 5.13%

* Approximation only. Some reports may have incomplete information.

Do you take Colcrys and have Urticaria?

- Check whether Urticaria 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 Colcrys:

Urticaria treatments and more:

How severe was Urticaria and when was it recovered:

Expand to all the drugs that have ingredients of colchicine:

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 Colcrys:

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 Urticaria:

Browse all the conditions that are associated with Urticaria:

Related publications that referenced our studies

How the study uses the data?

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