Singulair vs. Mercaptopurine: side effect and effectiveness comparison (a real world drug study)
Summary:
We compare the side effects and drug effectiveness of Singulair and Mercaptopurine. The phase IV clinical study is created by eHealthMe based on reports (from sources including the FDA) of 232,466 people who take Singulair and Mercaptopurine, and is updated regularly.
What is Singulair?
Singulair has active ingredients of montelukast sodium. It is often used in asthma. eHealthMe is studying from 129,752 Singulair users. Check the latest studies of Singulair.
What is Mercaptopurine?
Mercaptopurine has active ingredients of mercaptopurine. It is often used in crohn's disease. eHealthMe is studying from 23,013 Mercaptopurine users. Check the latest studies of Mercaptopurine.
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 >>>.
232,466 people who take Singulair and Mercaptopurine are studied.

Drugs being compared in this study:
- Mercaptopurine (mercaptopurine)
- Singulair (montelukast sodium)
Most common side effects of the drugs, overall:
Most common side effects of the drugs, in long term (1+ years) use:
Drug effectiveness:
Singulair:
- not at all: 2.2 %
- somewhat: 20.0 %
- moderate: 33.89 %
- high: 31.27 %
- very high: 12.65 %
Mercaptopurine:
- not at all: 4.59 %
- somewhat: 18.81 %
- moderate: 31.65 %
- high: 32.11 %
- very high: 12.84 %
Want to compare Singulair with Mercaptopurine?
- Personalize this study to your gender and age (0-99+)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.
Related publications that referenced our studies
- Das S, Mondal S, Dey JK, Bandyopadhyay S, Saha I, Tripathi SK, "A case of montelukast induced hypercholesterolemia, severe hypertriglyceridemia and pancreatitis", Journal of Young Pharmacists, 2013 Jun .
- Das S, Mondal S, Dey JK, Bandyopadhyay S, Saha I, Tripathi SK, "A case of montelukast induced hypercholesterolemia, severe hypertriglyceridemia and pancreatitis", Journal of Young Pharmacists, 2013 Jun .
Related studies
Alternative drugs to, pros and cons of:
- Singulair (125,566 reports)
- Mercaptopurine (22,749 reports)
Browse all side effects of Singulair:
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 zBrowse all side effects of Mercaptopurine:
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 zHow the study uses the data?
The study is based on montelukast sodium and mercaptopurine (the active ingredients of Singulair and Mercaptopurine, respectively). Other drugs that have the same active ingredients (e.g. generic drugs or brand names) are also considered. Dosage of drugs is not considered in the study.
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.
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