Over time, muscle spasms may spread down the same side of the face that initially experienced ... being compressed. Head and neck tumors can also press against the facial nerve and cause ...

Many of the most common and accepted explanations include sleep deprivation, dehydration, too much caffeine, stress, a pinched nerve, or as a side effect of medication. "Muscle spasms may also ...

These can include: Hemifacial spasms, also known as tic convulsif, are muscle spasms that occur on one side of the face. Hemifacial spasms occur because of damage to the seventh cranial nerve ...

Hemifacial spasm (HFS) is a neurological disorder manifested by twitching on one side of the face due to involuntary contractions of the eyelid and other facial muscles. It usually begins gradually ...