May suppress bone marrow function. Myelosuppression. Instruct patients to take folic acid & vit B
12 as a prophylactic measure to reduce treatment-related toxicity. Skin reactions. Patients w/ mild to moderate renal insufficiency (CrCl 45-79 mL/min) should avoid taking NSAIDs eg, ibuprofen & aspirin (>1.3 g daily) for 2 days before, on the day of, & 2 days following pemetrexed administration. In patients w/ mild to moderate renal insufficiency eligible for pemetrexed therapy NSAIDs w/ long elimination t
½ should be interrupted for at least 5 days prior to, on the day of, & at least 2 days following pemetrexed administration. Dehydration or preexisting HTN or diabetes. Patients should receive adequate antiemetic treatment & appropriate hydration prior to &/or after receiving treatment. Preexisting CV risk factors. Concomitant w/ live attenuated vaccines is not recommended. Radiation pneumonitis in patients treated w/ radiation either prior, during or subsequent to their therapy. Patients on a controlled Na diet. May affect ability to drive or operate machinery. Sexually mature males are advised not to father a child during the treatment & up to 6 mth thereafter. Women of childbearing potential must use effective contraception during treatment. Do not use during pregnancy.