Stroke warning signs may also include arm weakness, vision problems, trouble walking and severe headache. If you experience any type of paralysis in your body, do not try to self-diagnose. Seek medical help immediately. Bell’s Palsy Symptoms. Symptoms of Bell’s palsy vary in severity with each person. Common symptoms include: Facial muscle weakness, numbness or paralysis; Twitching; Drooping of eyelid or corner of the mouth; Drooling or little saliva; Dryness of eye or mouth; Excessive tearing in one eye; Change in or loss of taste; Other symptoms can include pain behind the ear or around the jaw, headache, dizziness, ringing of the ears, or heightened sensitivity to sound.