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.

Preoperative Botox injections are a useful test for predicting how well patients with chronic migraine will respond to nerve decompression surgery, reports a study in the May issue of Plastic and ...

Botox, while generally safe, carries a risk of neurological side effects, such as drooping eyelids, dizziness, and headache. More serious complications, including nerve damage, may occur in rare cases ...