This condition causes red, swollen patches in the corners of your mouth. Learn more about who’s at risk and what treatments may help. Saliva gets trapped and builds up in the corners of your mouth.

For patients undergoing nerve transfer surgery for facial palsy, Botox injections can improve facial symmetry by reducing ...

You might also notice a drooping eyelid or corner of the mouth, drooling ... The NHS details three treatment routes for those with Bell’s palsy, including a 10-day course of steroid medication ...