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 subcutaneous injection, or shot, enters the fatty tissues just beneath the skin. It is shallower than an injection into muscle tissue. Healthcare professionals often use subcutaneous injections for ...

Whether it’s a side effect of selfie culture or Kylie Jenner, one thing is certain: lip augmentation has never been more popular. Dermal fillers have been used for more than four decades, and other ...