Methotrexate and Optimark drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Methotrexate (methotrexate sodium) and Optimark (gadoversetamide). Common drug interactions include deformity among females and mobility decreased among males.

The phase IV clinical study analyzes what interactions people have when they take Methotrexate and Optimark. It is created by eHealthMe based on reports of 18 people who take the same drugs 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 Optimark?

Optimark has active ingredients of gadoversetamide. eHealthMe is studying from 3,055 Optimark users. Check the latest studies of Optimark.

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 >>>.



On Aug, 15, 2026

18 people who take Methotrexate and Optimark together, and have interactions are studied.

Methotrexate and Optimark drug interactions.

What are the common drug interactions of Methotrexate and Optimark, by gender? *:

female:

  1. Deformity (disfigurement)
  2. Erythema (redness of the skin)
  3. Fibrosis (formation of excess fibrous connective tissue in an organ or tissue)
  4. General physical health deterioration (weak health status)
  5. Joint stiffness
  6. Nephrogenic systemic fibrosis (involves fibrosis of skin, joints, eyes due to kidney disease)
  7. Oedema peripheral (superficial swelling)
  8. Pain
  9. Pain of skin
  10. Scar

male:

  1. Mobility decreased (ability to move is reduced)
  2. Nephrogenic systemic fibrosis (involves fibrosis of skin, joints, eyes due to kidney disease)
  3. Xerosis (abnormal dryness of the skin or mucus membranes)
  4. Cardiac arrest
  5. Endocardial fibrosis (cardiac fibrosis refers to an abnormal thickening of the heart valves)
  6. Joint contracture (a permanent shortening of a muscle or joint)
  7. Skin fibrosis (fibrous tissue formation on skin)
  8. Discomfort
  9. Pain
  10. Muscle contracture (a permanent shortening of a muscle)

What are the common drug interactions of Methotrexate and Optimark, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

  1. Fibrosis (formation of excess fibrous connective tissue in an organ or tissue)
  2. Metaplasia (change in the type of adult cells in a tissue to a form abnormal for that tissue)
  3. Mobility decreased (ability to move is reduced)
  4. Myocardial fibrosis (a condition in which the heart's muscle cells are impaired)
  5. Nephrogenic systemic fibrosis (involves fibrosis of skin, joints, eyes due to kidney disease)
  6. Pain in extremity
  7. Pulmonary fibrosis (formation or development of excess fibrous connective tissue (fibrosis) in the lungs)
  8. Skin induration (an abnormally hard spot or area on the skin)
  9. Skin tightness
  10. Subcutaneous nodule

20-29:

n/a

30-39:

n/a

40-49:

  1. Deformity (disfigurement)
  2. Erythema (redness of the skin)
  3. Fibrosis (formation of excess fibrous connective tissue in an organ or tissue)
  4. General physical health deterioration (weak health status)
  5. Joint stiffness
  6. Nephrogenic systemic fibrosis (involves fibrosis of skin, joints, eyes due to kidney disease)
  7. Oedema (fluid collection in tissue)
  8. Oedema peripheral (superficial swelling)
  9. Pain
  10. Pain of skin

50-59:

  1. Erythema (redness of the skin)
  2. General physical health deterioration (weak health status)
  3. Skin exfoliation (removal of the oldest dead skin cells)
  4. Skin fibrosis (fibrous tissue formation on skin)
  5. Skin induration (an abnormally hard spot or area on the skin)
  6. Mobility decreased (ability to move is reduced)
  7. Pain in extremity
  8. Skin tightness
  9. Arthralgia (joint pain)
  10. Bone pain

60+:

n/a

What are the existing conditions these people have? *

  1. Synovitis (inflammation of the synovial membrane): 5 people, 27.78%
  2. Nuclear Magnetic Resonance Imaging Brain: 5 people, 27.78%
  3. Joint Deposit (deposit in joint): 5 people, 27.78%
  4. Renal Osteodystrophy (a bone disease occurs when the kidneys fail to maintain the proper levels of calcium and phosphorus in the blood): 3 people, 16.67%
  5. Joint Pain: 3 people, 16.67%
  6. Hypercalcaemia (elevated calcium (ca+) level in the blood): 3 people, 16.67%
  7. Headache (pain in head): 3 people, 16.67%
  8. Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body): 3 people, 16.67%
  9. Catheter Related Complication: 2 people, 11.11%
  10. Medical Device Complication: 1 person, 5.56%

* Approximation only. Some reports may have incomplete information.

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Related studies:

Effectiveness of, side effects of, and alternative drugs to the 2 drugs:

Browse all drug interactions of Methotrexate and Optimark:

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

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 side effects of Optimark:

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 interactions between Methotrexate and drugs from A to Z:

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 interactions between Optimark and drugs from A to Z:

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

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 and gadoversetamide (the active ingredients of Methotrexate and Optimark, respectively), and Methotrexate and Optimark (the brand names). 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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