Arimidex and Keloids - a phase IV clinical study of FDA data


Keloids is reported only by a few people who take Arimidex.

The phase IV clinical study analyzes which people take Arimidex and have Keloids. It is created by eHealthMe based on reports of 20,902 people who have side effects while taking Arimidex 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, 30, 2023

20,902 people reported to have side effects when taking Arimidex.
Among them, 2 people (0.01%) have Keloids.

What is Arimidex?

Arimidex has active ingredients of anastrozole. It is often used in breast cancer. eHealthMe is studying from 21,843 Arimidex users for its effectiveness, alternative drugs and more.

What is Keloids?

Keloids (overgrown scars left from skin injuries) is found to be associated with 621 drugs and 433 conditions by eHealthMe.

Number of Arimidex and Keloids reports submitted per year:

Could Arimidex cause Keloids?

Gender of people who have Keloids when taking Arimidex *:

  • female: 100 %
  • male: 0.0 %

Age of people who have Keloids when taking Arimidex *:

  • 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: 50 %
  • 60+: 50 %

Common drugs people take besides Arimidex *:

  1. Zyban: 1 person, 50.00%
  2. Zoloft: 1 person, 50.00%
  3. Provera: 1 person, 50.00%
  4. Prempro: 1 person, 50.00%
  5. Premarin: 1 person, 50.00%
  6. Estraderm: 1 person, 50.00%
  7. Ceftin: 1 person, 50.00%
  8. Boniva: 1 person, 50.00%
  9. Allegra: 1 person, 50.00%

Common side effects people have besides Keloids *:

  1. Osteoporosis (bones weak and more likely to break): 2 people, 100.00%
  2. Diarrhea: 2 people, 100.00%
  3. Joint Pain: 2 people, 100.00%
  4. Fall: 1 person, 50.00%
  5. Discomfort: 1 person, 50.00%
  6. Diverticulum (out pouching of a hollow (or a fluid-filled) structure in the body): 1 person, 50.00%
  7. Exercise Test Abnormal: 1 person, 50.00%
  8. Exercise Tolerance Decreased: 1 person, 50.00%
  9. Fatigue (feeling of tiredness): 1 person, 50.00%
  10. Compression Fracture (fracture due to pressure caused by injury): 1 person, 50.00%

Common conditions people have *:

  1. Depression: 1 person, 50.00%

* Approximation only. Some reports may have incomplete information.

Do you take Arimidex and have Keloids?

Check whether Keloids 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 publications that referenced our studies

Related studies

How severe was Keloids and when was it recovered:

Expand to all the drugs that have ingredients of anastrozole:

Alternative drugs to, pros and cons of Arimidex:

Common Arimidex side effects:

Browse all side effects of Arimidex:

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

Keloids treatments and more:

COVID vaccines that are related to Keloids:

All the drugs that are associated with Keloids:

All the conditions that are associated with Keloids:

How the study uses the data?

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