Three cases of toxic skin eruptions associated with methotrexate and a compilation of methotrexate-induced skin eruptions.

Methotrexate is an antimetabolite used as a treatment for a variety of neoplastic and inflammatory diseases. It has a variety of cutaneous side effects, in particular when administered in high doses. This is a report of cutaneous eruptions in three patients treated with methotrexate and a review of eruptions linked to methotrexate.