One of the most common type of recurrent headache people experience is migraine. There are many different triggers that can cause migraine. Women are most affected than men. Changes in hormone levels, sleep patterns, lifestyle cause migraines. Migraines are now considered as brain disorders caused due to vasodilation of cranial nerves that emerge from brain. Vasodilation is widening of blood vessels which results in low supply of blood to the brain.
Migraines that cause visual disturbances where patients might experience flashes of light, zigzag patterns, blind spots which will interfere with activities like reading, writing and driving.
Spinal headaches are caused by leakage of spinal fluid from the dura mater surrounding the spinal cord. The leakage decreases the pressure exerted by spinal fluid on brain and spinal cord causing headache. Most spinal headaches proceed after a spinal anesthesia or lumbar puncture involving puncture of tough membrane surrounding spinal cord. It usually appears within 48 hours of lumbar intervention and doctors attention is required if the pain gets worse.