Mesalamine and Red blood cell count decreased - a phase IV clinical study of FDA data

Summary:

Red blood cell count decreased is reported as a side effect among people who take Mesalamine (mesalamine), especially for people who are male, 60+ old, have been taking the drug for 1 - 6 months also take Prednisone, and have Insomnia.

The phase IV clinical study analyzes which people have Red blood cell count decreased when taking Mesalamine. It is created by eHealthMe based on reports of 27,767 people who have side effects when taking Mesalamine from the FDA, and is updated regularly.

What is Mesalamine?

Mesalamine has active ingredients of mesalamine. It is often used in ulcerative colitis. eHealthMe is studying from 28,053 Mesalamine users. Check the latest studies of Mesalamine.

What is Red blood cell count decreased?

Red blood cell count decreased is found to be associated with 1,499 drugs and 1,955 conditions by eHealthMe. Check the latest studies of Red blood cell count decreased.

On Jul, 07, 2026

27,767 people reported to have side effects when taking Mesalamine.
Among them, 52 people (0.19%) have Red blood cell count decreased.

Could Mesalamine cause Red blood cell count decreased?

Among these 52 people:

How long have people been on Mesalamine when they have Red blood cell count decreased? *

What is the gender of people who have Red blood cell count decreased when taking Mesalamine? *

female: 35.56 %
male: 64.44 %

What is the age of people who have Red blood cell count decreased when taking Mesalamine? *

What are other drugs people take besides Mesalamine? *

What are other side effects people have besides Red blood cell count decreased? *

Haemoglobin Decreased: 29 people, 55.77%
Fatigue (feeling of tiredness): 18 people, 34.62%
Haematocrit Decreased: 16 people, 30.77%
White Blood Cell Count Increased: 11 people, 21.15%
Malaise (a feeling of general discomfort or uneasiness): 11 people, 21.15%
Lymphocyte Count Decreased: 11 people, 21.15%
Thrombocytopenia (decrease of platelets in blood): 10 people, 19.23%
Neutrophil Count Increased (excess than normal number of neutrophil a type of blood cell): 10 people, 19.23%
Cough: 9 people, 17.31%
Anaemia (lack of blood): 9 people, 17.31%

What are the existing conditions these people have? *

Insomnia (sleeplessness): 9 people, 17.31%
Ovarian Cancer (cancer of ovary): 6 people, 11.54%
Haemoglobin Abnormal: 5 people, 9.62%
Muscle Spasms (muscle contraction): 5 people, 9.62%
Muscle Aches (muscle pain): 5 people, 9.62%
Joint Pain: 5 people, 9.62%
Tinnitus (a ringing in the ears): 5 people, 9.62%
High Blood Pressure: 5 people, 9.62%
Heart Rate Decreased: 5 people, 9.62%
Dizziness: 5 people, 9.62%

* Approximation only. Some reports may have incomplete information.

Do you take Mesalamine and have Red blood cell count decreased?

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Related studies:

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

Mesalamine (28,053 reports)

Browse all side effects of Mesalamine:

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 Red blood cell count decreased:

Red blood cell count decreased (1,499 drugs)

Browse all the conditions that are associated with Red blood cell count decreased:

Red blood cell count decreased (1,955 conditions)

Related publications that referenced our studies

Jacobsson H, Eriksen J, Karlén P, "Mesalazine-induced renal calculi", The American journal of case reports, 2015 Jan .
Jacobsson H, Eriksen J, Karlén P, "Mesalazine-induced renal calculi", The American journal of case reports, 2015 Jan .

How the study uses the data?

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