Singulair and Enterococcal infection - a phase IV clinical study of FDA data

Summary:

Enterococcal infection is reported as a side effect among people who take Singulair (montelukast sodium), especially for people who are female, 50-59 old, have been taking the drug for 1 - 6 months also take Lasix, and have Osteoporosis.

The phase IV clinical study analyzes which people have Enterococcal infection when taking Singulair. It is created by eHealthMe based on reports of 125,532 people who have side effects when taking Singulair from the FDA, 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 Enterococcal infection?

Enterococcal infection is found to be associated with 629 drugs and 760 conditions by eHealthMe. Check the latest studies of Enterococcal infection.



On Jul, 12, 2026

125,532 people reported to have side effects when taking Singulair.
Among them, 61 people (0.05%) have Enterococcal infection.

Could Singulair cause Enterococcal infection?

Among these 61 people:

How long have people been on Singulair when they have Enterococcal infection? *

  • < 1 month: 0.0 %
  • 1 - 6 months: 100 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

What is the gender of people who have Enterococcal infection when taking Singulair? *

  • female: 85.25 %
  • male: 14.75 %

What is the age of people who have Enterococcal infection when taking Singulair? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 1.64 %
  • 20-29: 3.28 %
  • 30-39: 0.0 %
  • 40-49: 3.28 %
  • 50-59: 70.49 %
  • 60+: 21.31 %

What are other drugs people take besides Singulair? *

  1. Lasix: 36 people, 59.02%
  2. Zofran: 33 people, 54.10%
  3. Zyvox: 32 people, 52.46%
  4. Prednisone: 32 people, 52.46%
  5. Nexium: 32 people, 52.46%
  6. Prilosec: 31 people, 50.82%
  7. Percocet: 30 people, 49.18%
  8. Levaquin: 30 people, 49.18%
  9. Forteo: 30 people, 49.18%
  10. Flexeril: 30 people, 49.18%

What are other side effects people have besides Enterococcal infection? *

  1. Diarrhea: 34 people, 55.74%
  2. Pneumonia: 34 people, 55.74%
  3. Sepsis (a severe blood infection that can lead to organ failure and death): 33 people, 54.10%
  4. Pain: 33 people, 54.10%
  5. Oedema Peripheral (superficial swelling): 31 people, 50.82%
  6. Acute Kidney Failure: 31 people, 50.82%
  7. Appendicitis (inflammation of the appendix): 31 people, 50.82%
  8. Exostosis (formation of new bone on the surface of a bone): 31 people, 50.82%
  9. Pleural Effusion (water on the lungs): 30 people, 49.18%
  10. Sinusitis (inflammation of sinus): 30 people, 49.18%

What are the existing conditions these people have? *

  1. Osteoporosis (bones weak and more likely to break): 30 people, 49.18%
  2. Systemic Lupus Erythematosus (an autoimmune disease, which means the body's immune system mistakenly, attacks healthy tissue): 29 people, 47.54%
  3. Thrombocytopenia (decrease of platelets in blood): 11 people, 18.03%
  4. High Blood Pressure: 6 people, 9.84%
  5. Pain: 5 people, 8.20%
  6. Stress And Anxiety: 4 people, 6.56%
  7. Relapsing-Remitting Multiple Sclerosis (reoccurrence of an inflammatory disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged): 4 people, 6.56%
  8. Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 3 people, 4.92%
  9. Chronic Obstructive Pulmonary Disease (a progressive disease that makes it hard to breathe): 3 people, 4.92%
  10. Depression: 2 people, 3.28%

* Approximation only. Some reports may have incomplete information.

Do you take Singulair and have Enterococcal infection?

- Check whether Enterococcal infection 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 Singulair:

Enterococcal infection treatments and more:

How severe was Enterococcal infection and when was it recovered:

Expand to all the drugs that have ingredients of montelukast sodium:

Sub-studies by gender and age:

Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

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 z

Browse all the drugs that are associated with Enterococcal infection:

Browse all the conditions that are associated with Enterococcal infection:

Related publications that referenced our studies


How the study uses the data?

The study uses data from the FDA. It is based on montelukast sodium (the active ingredients of Singulair) and Singulair (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.



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