What is Methotrexate Used For? Methotrexate is a disease-modifying antirheumatic drug (DMARD) used primarily to treat autoimmune diseases like rheumatoid arthritis, psoriasis, and lupus. It works by suppressing the immune system to reduce inflammation and prevent joint damage. Methotrexate is often the first-line treatment for moderate to severe rheumatoid arthritis but comes with potential side […]
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