Methotrexate comes as an injection given under your skin or into your muscle. It also comes as a tablet you swallow and an intravenous (IV) infusion (an injection into your vein given over time). But ...

Methotrexate is a generic drug prescribed to treat certain types of cancers, arthritis, and psoriasis in adults and some children. As with other drugs, methotrexate can cause side effects, such as ...

Injections deliver liquid medications, fluids, or nutrients directly into a person’s body. Different types of injections include intravenous, intramuscular, subcutaneous, intraosseous, and intradermal ...