Omeprazole and Microcytic anaemia - a phase IV clinical study of FDA data
Summary:
We study 351,142 people who have side effects when taking Omeprazole. Microcytic anaemia is found, especially among people who are female, 60+ old, have been taking the drug for 6 - 12 months, also take Amlodipine and have Pain.
The phase IV clinical study analyzes which people take Omeprazole and have Microcytic anaemia. It is created by eHealthMe based on reports from the FDA, and is updated regularly. You may 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 700+ medical publications including The Lancet, Mayo Clinic Proceedings, and Nature.
351,142 people reported to have side effects when taking Omeprazole.
Among them, 143 people (0.04%) have Microcytic anaemia.
What is Omeprazole?
Omeprazole has active ingredients of omeprazole. It is used in gastroesophageal reflux disease. Currently, eHealthMe is studying from 390,286 Omeprazole users.
What is Microcytic anaemia?
Microcytic anaemia (a generic term for any type of anaemia characterized by small red blood cells) is found to be associated with 902 drugs and 480 conditions by eHealthMe. Currently, we are studying 3,008 people who have Microcytic anaemia.
Number of Omeprazole and Microcytic anaemia reports submitted per year:

Time on Omeprazole when people have Microcytic anaemia *:
Gender of people who have Microcytic anaemia when taking Omeprazole*:
Age of people who have Microcytic anaemia when taking Omeprazole *:
Common drugs people take besides Omeprazole *:
Common side effects people have besides Microcytic anaemia *:
Common conditions people have *:
* Approximation only. Some reports may have incomplete information.
Do you take Omeprazole and have Microcytic anaemia?
Check whether Microcytic anaemia is associated with a drug or a conditionHow 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
Omeprazole side effects by duration, gender and age:
- Omeprazole side effects (390,286 reports)
Microcytic anaemia treatments and more:
- Microcytic anaemia (3,008 reports)
Common drugs associated with Microcytic anaemia:
- Xarelto: 195 reports
- Aspirin: 192 reports
- Lasix: 180 reports
- Prednisone: 177 reports
- Metformin: 160 reports
- Omeprazole: 143 reports
- Accutane: 133 reports
- Ibu: 120 reports
- Ibuprofen: 120 reports
- Furosemide: 120 reports
All the drugs that are associated with Microcytic anaemia:
- Microcytic anaemia (902 drugs)
Common conditions associated with Microcytic anaemia:
- Atrial fibrillation/flutter: 242 reports
- High blood pressure: 204 reports
- Rheumatoid arthritis: 151 reports
- Stroke: 121 reports
All the conditions that are associated with Microcytic anaemia:
- Microcytic anaemia (480 conditions)
How the study uses the data?
The study uses data from the FDA. It is based on omeprazole (the active ingredients of Omeprazole) and Omeprazole (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 700+ 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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