Not to be inj into skin areas affected by plaque psoriasis or tender, bruised, red, hard, thick or scaly skin. Syringe must not be shaken. Discontinue immediately if serious hypersensitivity reaction occurs. Chronic infection or history of recurrent or recent serious infection. Evaluate for TB infection prior to initiation; consider anti-TB therapy prior to initiation in patients w/ past history of latent or active TB. Not to be used w/ live vaccines during & for at least 17 wk after treatment. May cause allergic reactions due to polysorbate 80. Women of childbearing potential should use effective contraception during & for at least 17 wk after treatment. Avoid use during pregnancy. Lactation.