Famotidine and Blood count abnormal - a phase IV clinical study of FDA data

Summary:

Blood count abnormal is reported as a side effect among people who take Famotidine (famotidine), especially for people who are female, 60+ old, also take Jakafi, and have Primary myelofibrosis.

The phase IV clinical study analyzes which people have Blood count abnormal when taking Famotidine. It is created by eHealthMe based on reports of 81,914 people who have side effects when taking Famotidine from the FDA, and is updated regularly.

What is Famotidine?

Famotidine has active ingredients of famotidine. It is often used in gastroesophageal reflux disease. eHealthMe is studying from 83,421 Famotidine users. Check the latest studies of Famotidine.

What is Blood count abnormal?

Blood count abnormal is found to be associated with 872 drugs and 702 conditions by eHealthMe. Check the latest studies of Blood count abnormal.

On Jul, 12, 2026

81,914 people reported to have side effects when taking Famotidine.
Among them, 84 people (0.1%) have Blood count abnormal.

Could Famotidine cause Blood count abnormal?

Among these 84 people:

What is the gender of people who have Blood count abnormal when taking Famotidine? *

female: 63.79 %
male: 36.21 %

What is the age of people who have Blood count abnormal when taking Famotidine? *

What are other drugs people take besides Famotidine? *

What are other side effects people have besides Blood count abnormal? *

Fatigue (feeling of tiredness): 23 people, 27.38%
Weakness: 13 people, 15.48%
Anaemia (lack of blood): 12 people, 14.29%
Pain In Extremity: 11 people, 13.10%
Joint Pain: 11 people, 13.10%
Haemoglobin Decreased: 11 people, 13.10%
Dyspnea (difficult or laboured breathing): 10 people, 11.90%
Gait Disturbance: 10 people, 11.90%
Diarrhea: 10 people, 11.90%
Dizziness: 10 people, 11.90%

What are the existing conditions these people have? *

Primary Myelofibrosis (primary disorder of the bone marrow): 21 people, 25.00%
Breast Cancer Female: 9 people, 10.71%
Multiple Myeloma (cancer of the plasma cells): 9 people, 10.71%
Chronic Lymphocytic Leukaemia (cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell)): 6 people, 7.14%
High Blood Pressure: 5 people, 5.95%
Anaemia (lack of blood): 5 people, 5.95%
Polycythaemia Vera (blood disorder in which the bone marrow makes too many red blood cells): 3 people, 3.57%
Acute Myeloid Leukaemia (acute cancer in which the bone marrow makes abnormal myeloblasts): 3 people, 3.57%
Hypercalcaemia (elevated calcium (ca+) level in the blood): 3 people, 3.57%
Non-Hodgkin's Lymphoma (malignant (cancer) cells form in the lymph system): 2 people, 2.38%

* Approximation only. Some reports may have incomplete information.

Do you take Famotidine and have Blood count abnormal?

- Check whether Blood count abnormal is associated with a drug or a condition
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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Famotidine:

Famotidine (83,421 reports)

Browse all side effects of Famotidine:

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 Blood count abnormal:

Blood count abnormal (872 drugs)

Browse all the conditions that are associated with Blood count abnormal:

Blood count abnormal (702 conditions)

How the study uses the data?

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