DR ELLIE CANNON: What could be causing a constant ache near my cheek at night?

DR ELLIE CANNON: Facial pain is distressing because it is impossible to ignore and, often, difficult to diagnose. One of the very worst pain syndromes, trigeminal neuralgia, affects the face.DR ELLIE CANNON: Facial pain is distressing because it is impossible to ignore and, often, difficult to diagnose. One of the very worst pain syndromes, trigeminal neuralgia, affects the face.Read MoreHealth News | Mail Online