Methotrexate and Knee arthroscopy - a phase IV clinical study of FDA data

Summary:

Knee arthroscopy is reported as a side effect among people who take Methotrexate (methotrexate sodium), especially for people who are female, 60+ old, have been taking the drug for 10+ years also take Humira, and have Osteoporosis.

The phase IV clinical study analyzes which people have Knee arthroscopy 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 604,312 Methotrexate users. Check the latest studies of Methotrexate.

What is Knee arthroscopy?

Knee arthroscopy is found to be associated with 23 drugs and 81 conditions by eHealthMe. Check the latest studies of Knee arthroscopy.



On Jul, 12, 2026

599,650 people reported to have side effects when taking Methotrexate.
Among them, 86 people (0.01%) have Knee arthroscopy.

Could Methotrexate cause Knee arthroscopy?

Among these 86 people:

How long have people been on Methotrexate when they have Knee arthroscopy? *

  • < 1 month: 16.67 %
  • 1 - 6 months: 16.67 %
  • 6 - 12 months: 16.67 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 16.67 %
  • 10+ years: 33.33 %

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

  • female: 76.19 %
  • male: 23.81 %

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

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 4.84 %
  • 20-29: 3.23 %
  • 30-39: 11.29 %
  • 40-49: 24.19 %
  • 50-59: 24.19 %
  • 60+: 32.26 %

What are other drugs people take besides Methotrexate? *

  1. Humira: 28 people, 32.56%
  2. Enbrel: 18 people, 20.93%
  3. Calcium: 12 people, 13.95%
  4. Prolia: 12 people, 13.95%
  5. Remicade: 10 people, 11.63%
  6. Prednisolone: 8 people, 9.30%
  7. Cimzia: 6 people, 6.98%
  8. Xeljanz: 4 people, 4.65%
  9. Vitamin D: 4 people, 4.65%
  10. Folic Acid: 4 people, 4.65%

What are other side effects people have besides Knee arthroscopy? *

  1. Drug Ineffective: 14 people, 16.28%
  2. Hyperlipidaemia (presence of excess lipids in the blood): 13 people, 15.12%
  3. Nervous System Disorder (a general class of medical conditions affecting the nervous system): 13 people, 15.12%
  4. Gastrointestinal Disorder (functional problems of gastrointestinal tract): 13 people, 15.12%
  5. Carotid Artery Stenosis (narrowing of carotid artery): 12 people, 13.95%
  6. Aortic Stenosis (obstruction to the outflow of blood from the left ventricle into the aorta): 12 people, 13.95%
  7. Synovial Disorder (disease of synovial joint): 11 people, 12.79%
  8. Osteoarthritis (a joint disease caused by cartilage loss in a joint): 11 people, 12.79%
  9. Spinal Fracture (fracture in one of vertebrae): 11 people, 12.79%
  10. Thoracic Vertebral Fracture: 8 people, 9.30%

What are the existing conditions these people have? *

  1. Osteoporosis (bones weak and more likely to break): 15 people, 17.44%
  2. Osteoarthritis (a joint disease caused by cartilage loss in a joint): 8 people, 9.30%
  3. Juvenile Rheumatoid Arthritis (joint inflammation in children due to systemic disease): 3 people, 3.49%
  4. Pain: 1 person, 1.16%
  5. Neurogenic Bladder (the normal function of the bladder is to store and empty urine in a coordinated, controlled fashion): 1 person, 1.16%
  6. Nasal Congestion (blockage of the nasal passages usually due to membranes lining the nose becoming swollen from inflamed blood vessels): 1 person, 1.16%
  7. Glaucoma (increased fluid pressure in the eye with vision loss): 1 person, 1.16%
  8. Diabetes: 1 person, 1.16%
  9. Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 1 person, 1.16%
  10. Asthma: 1 person, 1.16%

* Approximation only. Some reports may have incomplete information.

Do you take Methotrexate and have Knee arthroscopy?

- Check whether Knee arthroscopy is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
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Related studies:

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

Knee arthroscopy treatments and more:

How severe was Knee arthroscopy 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 Knee arthroscopy:

Browse all the conditions that are associated with Knee arthroscopy:

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.



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