Methotrexate and Calculus bladder - a phase IV clinical study of FDA data

Summary:

Calculus bladder is reported as a side effect among people who take Methotrexate (methotrexate sodium), especially for people who are male, 60+ old, have been taking the drug for 1 - 2 years also take Humira, and have Psoriatic arthropathy.

The phase IV clinical study analyzes which people have Calculus bladder 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 604,298 Methotrexate users. Check the latest studies of Methotrexate.

What is Calculus bladder?

Calculus bladder (bladder stone) is found to be associated with 267 drugs and 599 conditions by eHealthMe. Check the latest studies of Calculus bladder.



On Oct, 13, 2025

599,650 people reported to have side effects when taking Methotrexate.
Among them, 65 people (0.01%) have Calculus bladder.

Could Methotrexate cause Calculus bladder?

Among these 65 people:

How long have people been on Methotrexate when they have Calculus bladder? *

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

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

  • female: 29.82 %
  • male: 70.18 %

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

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 8.11 %
  • 30-39: 2.7 %
  • 40-49: 10.81 %
  • 50-59: 35.14 %
  • 60+: 43.24 %

What are other drugs people take besides Methotrexate? *

  1. Humira: 36 people, 55.38%
  2. Folic Acid: 21 people, 32.31%
  3. Prednisone: 17 people, 26.15%
  4. Calcium: 14 people, 21.54%
  5. Pantoprazole Sodium: 11 people, 16.92%
  6. Acetaminophen: 10 people, 15.38%
  7. Enbrel: 9 people, 13.85%
  8. Methylprednisolone: 8 people, 12.31%
  9. Diphenhydramine Hydrochloride: 8 people, 12.31%
  10. Risedronate Sodium: 8 people, 12.31%

What are other side effects people have besides Calculus bladder? *

  1. Kidney Stones: 22 people, 33.85%
  2. Joint Pain: 22 people, 33.85%
  3. Pain: 21 people, 32.31%
  4. Cellulitis (infection under the skin): 15 people, 23.08%
  5. Gait Disturbance: 15 people, 23.08%
  6. Hypotension (abnormally low blood pressure): 12 people, 18.46%
  7. Pain In Extremity: 12 people, 18.46%
  8. The Flu (the flu is caused by an influenza virus): 12 people, 18.46%
  9. Heart Rate Decreased: 10 people, 15.38%
  10. Nausea (feeling of having an urge to vomit): 10 people, 15.38%

What are the existing conditions these people have? *

  1. Psoriasis (immune-mediated disease that affects the skin): 9 people, 13.85%
  2. Psoriatic Arthropathy (inflammation of the skin and joints with kin condition which typically causes patches (plaques) of red, scaly skin to develop): 9 people, 13.85%
  3. Vasculitis Necrotising (inflammation and damage to blood vessels): 8 people, 12.31%
  4. Polychondritis (progressive inflammation of cartilage and other connective tissue): 8 people, 12.31%
  5. Myelodysplastic Syndrome (a group of conditions that occur when the blood-forming cells in the bone marrow are damaged): 7 people, 10.77%
  6. High Blood Pressure: 6 people, 9.23%
  7. Ankylosing Spondylitis (type of arthritis affecting the spine): 5 people, 7.69%
  8. Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 4 people, 6.15%
  9. Back Pain: 4 people, 6.15%
  10. Pain: 4 people, 6.15%

* Approximation only. Some reports may have incomplete information.

Do you take Methotrexate and have Calculus bladder?

- Check whether Calculus bladder 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:

Calculus bladder treatments and more:

How severe was Calculus bladder 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 Calculus bladder:

Browse all the conditions that are associated with Calculus bladder:

Drugs similar to Methotrexate and Calculus bladder :

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.

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