Injection site reactions to etanercept usually occur within the first month of treatment. They most commonly occur 1 to 2 days after an injection, and the duration is usually 3 to 5 days.

To assess the effect of etanercept, an antitumour necrosis ... One patient experienced mild, transient injection site reaction (erythema). After cessation of treatment, periocular inflammatory ...

Exacerbations of their arthritis had precipitated the start of etanercept, 25 mg subcutaneous injection twice weekly ... infiltrate. This reaction had a more sarcoidal appearance, with the ...