Methotrexate and Pertussis - a phase IV clinical study of FDA data

Summary:

Pertussis is reported as a side effect among people who take Methotrexate (methotrexate sodium), especially for people who are female, 40-49 old, have been taking the drug for < 1 month also take Actemra, and have Psoriatic arthropathy.

The phase IV clinical study analyzes which people have Pertussis when taking Methotrexate. It is created by eHealthMe based on reports of 599,650 people who have side effects when taking Methotrexate from the FDA, and is updated regularly.

What is Methotrexate?

Methotrexate has active ingredients of methotrexate sodium. It is often used in rheumatoid arthritis. eHealthMe is studying from 604,313 Methotrexate users. Check the latest studies of Methotrexate.

What is Pertussis?

Pertussis (whooping cough: a disease of the respiratory mucous membrane) is found to be associated with 137 drugs and 310 conditions by eHealthMe. Check the latest studies of Pertussis.



On Aug, 03, 2026

599,650 people reported to have side effects when taking Methotrexate.
Among them, 89 people (0.01%) have Pertussis.

Could Methotrexate cause Pertussis?

Among these 89 people:

How long have people been on Methotrexate when they have Pertussis? *

  • < 1 month: 42.86 %
  • 1 - 6 months: 28.57 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 28.57 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

What is the gender of people who have Pertussis when taking Methotrexate? *

  • female: 81.93 %
  • male: 18.07 %

What is the age of people who have Pertussis when taking Methotrexate? *

  • 0-1: 0.0 %
  • 2-9: 9.33 %
  • 10-19: 4.0 %
  • 20-29: 8.0 %
  • 30-39: 5.33 %
  • 40-49: 48.0 %
  • 50-59: 2.67 %
  • 60+: 22.67 %

What are other drugs people take besides Methotrexate? *

  1. Actemra: 22 people, 24.72%
  2. Humalog: 19 people, 21.35%
  3. Synthroid: 19 people, 21.35%
  4. Cimzia: 18 people, 20.22%
  5. Humira: 15 people, 16.85%
  6. Simponi: 12 people, 13.48%
  7. Folic Acid: 11 people, 12.36%
  8. Cosentyx: 7 people, 7.87%
  9. Melatonin: 6 people, 6.74%
  10. Rosuvastatin Calcium: 6 people, 6.74%

What are other side effects people have besides Pertussis? *

  1. Pain: 30 people, 33.71%
  2. Bronchitis (inflammation of the mucous membrane in the bronchial tubes): 28 people, 31.46%
  3. Stress And Anxiety: 25 people, 28.09%
  4. Drug Ineffective: 24 people, 26.97%
  5. High Blood Pressure: 24 people, 26.97%
  6. Nasopharyngitis (inflammation of the nasopharynx): 23 people, 25.84%
  7. Weight Decreased: 22 people, 24.72%
  8. Fibromyalgia (a long-term condition which causes pain all over the body): 22 people, 24.72%
  9. Joint Pain: 22 people, 24.72%
  10. Headache (pain in head): 22 people, 24.72%

What are the existing conditions these people have? *

  1. Psoriatic Arthropathy (inflammation of the skin and joints with kin condition which typically causes patches (plaques) of red, scaly skin to develop): 15 people, 16.85%
  2. Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 8 people, 8.99%
  3. Acute Lymphocytic Leukemia (All) (cancer of the white blood cells characterized by excess lymphoblasts): 6 people, 6.74%
  4. Ankylosing Spondylitis (type of arthritis affecting the spine): 3 people, 3.37%
  5. Juvenile Rheumatoid Arthritis (joint inflammation in children due to systemic disease): 3 people, 3.37%
  6. Dermatitis Atopic (inflammatory, chronically relapsing, non-contagious and pruritic skin disorder): 2 people, 2.25%
  7. High Blood Pressure: 2 people, 2.25%
  8. Musculoskeletal Stiffness (stiffness of the body's muscles, joints, tendons, ligaments and nerves): 2 people, 2.25%
  9. High Blood Cholesterol: 2 people, 2.25%
  10. Bipolar Disorder (mood disorder): 2 people, 2.25%

* Approximation only. Some reports may have incomplete information.

Do you take Methotrexate and have Pertussis?

- Check whether Pertussis 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 Methotrexate:

Pertussis treatments and more:

How severe was Pertussis and when was it recovered:

Expand to all the drugs that have ingredients of methotrexate 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 Methotrexate:

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 Pertussis:

Browse all the conditions that are associated with Pertussis:

Related publications that referenced our studies


How the study uses the data?

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



Recent studies on eHealthMe: