Disodium Salt Methotrexate is an antifolate and antimetabolite medication used to treat cancer, autoimmune diseases, and ectopic pregnancies. Antonyms, which are words opposite in meaning to Disodium Salt Methotrexate, include normal, healthy, non-malignant, non-pathological, and benign. Normal refers to the state of being free from diseases, while healthy means having good physical, mental, and emotional well-being. Non-malignant and non-pathological mean not cancerous or diseased, and benign refers to a condition that does not pose a threat to one's health. These antonyms highlight the contrast between the medical conditions that Disodium Salt Methotrexate treats and the desired state of health and wellness.