Lid ptosis vs brow ptosis | Dr Tim Pearce

Botox Ptosis: What It Is & Why It Happens Ptosis is a rare but known complication of neurotoxin injections that causes drooping of the upper eyelid or brow. It most commonly occurs when Botox unintentionally affects the levator palpebrae superioris, the muscle responsible for lifting the upper eyelid. This can happen when toxin diffuses from nearby treatment areas, such as the glabella or forehead, or when injections are placed too low or too deep. Brow ptosis can also occur when excessive relax