After receiving an injection, some people experience symptoms at the injection site on the skin. This reaction is a common adverse effect of vaccines, Botox injections, biologics, and chemotherapy.

A 20-year-old female presented with a history of psoriasis and psoriatic arthritis since childhood. She started treatment with etanercept (Enbrel ®) 1 month previously. One day after a subcutaneous ...

CAMBRIDGE, MA – Sept. 11, 2009 – Data from an observational phase IV study of 499 patients entitled The Swiss MS Skin Project show that multiple sclerosis (MS) patients taking AVONEX (interferon ...

Articles and social media posts online have shared the statistic that 86% of children in a COVID-19 vaccine trial suffered an adverse reaction, often without giving further details. While the ...

Although injection site reactions were common occurrences in both the tralokinumab and dupilumab groups, tralokinumab caused ISRs more frequently. Tralokinumab caused more frequent injection site ...

New reports from dermatology experts highlight a rare but serious immune reaction that can occur after cosmetic Botox injections. Botulinum toxin type A is widely regarded as safe for reducing ...