Arimidex and Irritable bowel syndrome - a phase IV clinical study of FDA data


Irritable bowel syndrome is found among people who take Arimidex, especially for people who are female, 60+ old, have been taking the drug for 6 - 12 months.

The phase IV clinical study analyzes which people take Arimidex and have Irritable bowel syndrome. It is created by eHealthMe based on reports of 20,902 people who have side effects when taking Arimidex 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 May, 06, 2023

20,902 people reported to have side effects when taking Arimidex.
Among them, 70 people (0.33%) have Irritable bowel syndrome.

What is Arimidex?

Arimidex has active ingredients of anastrozole. It is often used in breast cancer. eHealthMe is studying from 21,849 Arimidex users for its effectiveness, alternative drugs and more.

What is Irritable bowel syndrome?

Irritable bowel syndrome is found to be associated with 2,641 drugs and 2,052 conditions by eHealthMe.

Number of Arimidex and Irritable bowel syndrome reports submitted per year:

Could Arimidex cause Irritable bowel syndrome?

Time on Arimidex when people have Irritable bowel syndrome *:

  • < 1 month: 0.0 %
  • 1 - 6 months: 0.0 %
  • 6 - 12 months: 66.67 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 33.33 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

Gender of people who have Irritable bowel syndrome when taking Arimidex *:

  • female: 84.29 %
  • male: 15.71 %

Age of people who have Irritable bowel syndrome when taking Arimidex *:

  • 0-1: 0.0 %
  • 2-9: 2.99 %
  • 10-19: 1.49 %
  • 20-29: 0.0 %
  • 30-39: 1.49 %
  • 40-49: 1.49 %
  • 50-59: 44.78 %
  • 60+: 47.76 %

Common drugs people take besides Arimidex *:

  1. Zometa: 43 people, 61.43%
  2. Lasix: 38 people, 54.29%
  3. Aredia: 38 people, 54.29%
  4. Morphine: 37 people, 52.86%
  5. Faslodex: 37 people, 52.86%
  6. Xanax: 36 people, 51.43%
  7. Elavil: 36 people, 51.43%
  8. Ambien: 34 people, 48.57%
  9. Lexapro: 33 people, 47.14%
  10. Norvasc: 33 people, 47.14%

Common side effects people have besides Irritable bowel syndrome *:

  1. Pain: 52 people, 74.29%
  2. Stress And Anxiety: 48 people, 68.57%
  3. Osteoarthritis (a joint disease caused by cartilage loss in a joint): 45 people, 64.29%
  4. Injury: 43 people, 61.43%
  5. Osteonecrosis Of Jaw (death of bone of jaw): 39 people, 55.71%
  6. Diarrhea: 38 people, 54.29%
  7. Neck Pain: 37 people, 52.86%
  8. Weakness: 33 people, 47.14%
  9. Insomnia (sleeplessness): 32 people, 45.71%
  10. Scoliosis (a medical condition in which a person's spine is curved from side to side): 30 people, 42.86%

Common conditions people have *:

  1. Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 17 people, 24.29%
  2. Metastases To Bone (cancer spreads to bone): 6 people, 8.57%
  3. Indigestion: 5 people, 7.14%
  4. Osteoporosis (bones weak and more likely to break): 5 people, 7.14%
  5. Multiple Myeloma (cancer of the plasma cells): 4 people, 5.71%
  6. Body Height Below Normal: 3 people, 4.29%
  7. High Blood Pressure: 3 people, 4.29%
  8. Foetal Growth Restriction (poor growth of a baby while in the mother's womb during pregnancy): 3 people, 4.29%
  9. Small For Dates Baby (an unborn baby is growing more slowly and is smaller than most babies are at the same age): 3 people, 4.29%
  10. Restless Leg Syndrome (a powerful urge to move your legs): 2 people, 2.86%

* Approximation only. Some reports may have incomplete information.

Do you take Arimidex and have Irritable bowel syndrome?

Check whether Irritable bowel syndrome 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

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How severe was Irritable bowel syndrome 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

Irritable bowel syndrome treatments and more:

COVID vaccines that are related to Irritable bowel syndrome:

Common drugs associated with Irritable bowel syndrome:

All the drugs that are associated with Irritable bowel syndrome:

Common conditions associated with Irritable bowel syndrome:

All the conditions that are associated with Irritable bowel syndrome:

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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