Asacol and Pancytopenia - a phase IV clinical study of FDA data

Summary:

Pancytopenia is reported as a side effect among people who take Asacol (mesalamine), especially for people who are male, 10-19 old, have been taking the drug for < 1 month also take Imuran, and have Autoimmune hepatitis.

The phase IV clinical study analyzes which people have Pancytopenia when taking Asacol. It is created by eHealthMe based on reports of 19,898 people who have side effects when taking Asacol from the FDA, and is updated regularly.

What is Asacol?

Asacol has active ingredients of mesalamine. It is often used in ulcerative colitis. eHealthMe is studying from 20,618 Asacol users. Check the latest studies of Asacol.

What is Pancytopenia?

Pancytopenia (medical condition in which there is a reduction in the number of red and white blood cells, as well as platelets) is found to be associated with 1,791 drugs and 2,432 conditions by eHealthMe. Check the latest studies of Pancytopenia.

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 Aug, 29, 2026

19,898 people reported to have side effects when taking Asacol.
Among them, 90 people (0.45%) have Pancytopenia.

Among these 90 people:

How long have people been on Asacol when they have Pancytopenia? *

What is the gender of people who have Pancytopenia when taking Asacol? *

female: 47.67 %
male: 52.33 %

What is the age of people who have Pancytopenia when taking Asacol? *

What are other drugs people take besides Asacol? *

What are other side effects people have besides Pancytopenia? *

Acute Kidney Failure: 30 people, 33.33%
Pneumonia: 28 people, 31.11%
Cellulitis (infection under the skin): 28 people, 31.11%
Haemorrhoids (a swollen vein or group of veins in the region of the anus): 27 people, 30.00%
Diabetes: 27 people, 30.00%
Renal Disorder (kidney disease): 26 people, 28.89%
Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body): 26 people, 28.89%
Thrombocytopenia (decrease of platelets in blood): 26 people, 28.89%
Kidney Stones: 26 people, 28.89%
Anaemia (lack of blood): 26 people, 28.89%

What are the existing conditions these people have? *

Autoimmune Hepatitis: 19 people, 21.11%
Acne (skin problems that cause pimples): 8 people, 8.89%
Pain: 6 people, 6.67%
Gout (uric acid crystals building up in the body): 5 people, 5.56%
Nausea And Vomiting: 5 people, 5.56%
High Blood Pressure: 5 people, 5.56%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 4 people, 4.44%
Inflammatory Bowel Disease: 3 people, 3.33%
Osteoporosis (bones weak and more likely to break): 3 people, 3.33%
Gouty Arthritis (joint inflammation with crystal formation): 3 people, 3.33%

* Approximation only. Some reports may have incomplete information.

Do you take Asacol and have Pancytopenia?

- Check whether Pancytopenia is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously

Related studies:

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

Asacol (20,618 reports)

Pancytopenia treatments and more:

Pancytopenia (69,290 reports)

Browse all side effects of Asacol:

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 Pancytopenia:

Pancytopenia (1,791 drugs)

Browse all the conditions that are associated with Pancytopenia:

Pancytopenia (2,432 conditions)

Related publications that referenced our studies

Ate? ?, Arikan MF, Kaplan M, Altay M, "Hydroxyzine induced pancytopenia and petechial rashes: a rare complication", Journal Of Contemporary Medicine, 2017 Jan .
Jacobsson H, Eriksen J, Karlén P, "Mesalazine-induced renal calculi", The American journal of case reports, 2015 Jan .
Erden M, Gulcan E, Bilen A, Bilen Y, Uyanik A, Keles M, "Pancytopen? a and Seps? s due to Meropenem: A Case Report", Tropical Journal of Pharmaceutical Research, 2013 Jan .
Ate? ?, Arikan MF, Kaplan M, Altay M, "Hydroxyzine induced pancytopenia and petechial rashes: a rare complication", Journal Of Contemporary Medicine, 2017 Jan .
Jacobsson H, Eriksen J, Karlén P, "Mesalazine-induced renal calculi", The American journal of case reports, 2015 Jan .
Erden M, Gulcan E, Bilen A, Bilen Y, Uyanik A, Keles M, "Pancytopen? a and Seps? s due to Meropenem: A Case Report", Tropical Journal of Pharmaceutical Research, 2013 Jan .

How the study uses the data?

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