What Is a Headache?
A headache is diffuse pain in the head not confined to the area of distribution of any nerve. By headache, we usually mean pain anywhere between the back of the head and front (like tension headache), or pain in one half of the head (like migraine or cluster headache).
Head pain confined to particular parts of the head usually has more specific names, like earache, toothache, sinus headache, TMJ pain.
Left side abdominal pain
Leg numbness
Right side abdominal pain
Numbness in arm
Intestinal parasites
Itchy Scalp
Excessive burping