It is a pain arising from the head or upper neck of the body. Headache may occur on one or both sides of the head. It can be a sharp pain, a throbbing sensation or a dull ache. The commonest causes of headache are tension (i.e. stress), migraine, common cold, flu, sinus infection, dental problems, ear infection and lack of sleep. In majority of patients, headaches can be treated with a combination of medicines and complementary therapies.
