Facial twitches are caused by stress and anxiety, muscle fatigue, side effects
of medicines, high intake of caffeine, Parkinson’s disease in elderly, magnesium deficiency etc. Hemi facial spasm may be seen in tumors, multiple sclerosis, stroke etc. treatment may include balanced diet with mineral supplements like potassium, calcium, magnesium, massages for fatigue, B complex supplementation like avocadoes, bananas, legumes etc. drugs like gabapentin, phenytoin are used for hemifacial spasm.