There is no shortcut for curing chronic diseases. If there was one, the disease would not have become chronic in the first place.
Headache is defined as pain in the head or upper neck
Headache depends on various factors
Food containing caffeine or preservatives
Lack of sleep
Trauma to head or neck
Tumors in brain
Vascular irregularities in brain
Withdrawal of drugs
Pain could be felt as
Heaviness, dullness, throbbing, bursting, constrictive, distensive, excruciating, shifting, shooting and tearing in one or more parts of the head as frontal, temples, vertex, occipital, semi-lateral
Nausea or vomiting
Increased sensitivity to light and noise
Loss of appetite
Head/face feel hot
Incase of recurrent or prolonged headaches the efficiency is reduced
Gastritis or indigestion is usual complication from excessive use of the painkillers.
Other complications depends on the underlying cause
Consulting with a homeopathic practitioner, rather than attempting self-treatment with homeopathic remedies is recommended, if you suffer from chronic or frequent episodes of headaches. Homeopathy has vast range of remedies that can improve the headaches and address the underlying cause without any side effects.