Famotidine and Lymphocyte count increased - a phase IV clinical study of FDA data

Summary:

Lymphocyte count increased is reported as a side effect among people who take Famotidine (famotidine), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Prednisolone, and have Pain.

The phase IV clinical study analyzes which people have Lymphocyte count increased 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 83,424 Famotidine users. Check the latest studies of Famotidine.

What is Lymphocyte count increased?

Lymphocyte count increased is found to be associated with 470 drugs and 611 conditions by eHealthMe. Check the latest studies of Lymphocyte count increased.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Sep, 03, 2026

81,914 people reported to have side effects when taking Famotidine.
Among them, 58 people (0.07%) have Lymphocyte count increased.

Could Famotidine cause Lymphocyte count increased?

Among these 58 people:

How long have people been on Famotidine when they have Lymphocyte count increased? *

What is the gender of people who have Lymphocyte count increased when taking Famotidine? *

female: 56.9 %
male: 43.1 %

What is the age of people who have Lymphocyte count increased when taking Famotidine? *

What are other drugs people take besides Famotidine? *

Prednisolone: 16 people, 27.59%
Acetaminophen: 8 people, 13.79%
Methotrexate: 7 people, 12.07%
Furosemide: 6 people, 10.34%
Xanax: 5 people, 8.62%
Cyclophosphamide: 5 people, 8.62%
Omeprazole: 5 people, 8.62%
Depakote: 5 people, 8.62%
Heparin: 4 people, 6.90%
Doxorubicin Hydrochloride: 4 people, 6.90%

What are other side effects people have besides Lymphocyte count increased? *

White Blood Cell Count Decreased: 24 people, 41.38%
Haemoglobin Decreased: 23 people, 39.66%
Red Blood Cell Count Decreased: 21 people, 36.21%
Alanine Aminotransferase Increased: 21 people, 36.21%
Thrombocytopenia (decrease of platelets in blood): 21 people, 36.21%
Monocyte Count Increased: 21 people, 36.21%
Aspartate Aminotransferase Increased: 20 people, 34.48%
Fever: 20 people, 34.48%
White Blood Cell Count Increased: 19 people, 32.76%
Haematocrit Decreased: 18 people, 31.03%

What are the existing conditions these people have? *

Pain: 9 people, 15.52%
Anaemia (lack of blood): 8 people, 13.79%
Stress And Anxiety: 6 people, 10.34%
Spinal Muscular Atrophy (wasting of spinal muscles): 6 people, 10.34%
Constipation: 6 people, 10.34%
High Blood Pressure: 5 people, 8.62%
Hypopituitarism (diminished hormone secretion by the pituitary gland, causing dwarfism in children and premature aging in adults): 5 people, 8.62%
Breast Cancer Metastatic: 4 people, 6.90%
Arrhythmias (irregular heartbeat): 4 people, 6.90%
Gastrointestinal Haemorrhage (bleeding gastrointestinal tract): 4 people, 6.90%

* Approximation only. Some reports may have incomplete information.

Do you take Famotidine and have Lymphocyte count increased?

- Check whether Lymphocyte count increased 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 (83,424 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 Lymphocyte count increased:

Lymphocyte count increased (470 drugs)

Browse all the conditions that are associated with Lymphocyte count increased:

Lymphocyte count increased (611 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.