They are more apt to occur when you are tired or haven't eaten. Eyestrain will cause a dull ache around the eyes after prolonged reading, and will usually be relieved by resting the eyes. When emotional stress is the cause or your headache, avoiding or resolving the stressful situation is the best treatment for your headache. Relaxation techniques, such as getting away from the situation, listening to soothing music or thinking calm, peaceful thoughts may also help. These headaches are caused by an initial narrowing, then dilation, of the blood vessels in the head.
Migraines tend to run in families.
They often have a warning sign, such as blurred vision or bright lights or dark spots in the vision. These warning signs often last about 20 minutes and they go away as the headache starts. These headaches tend to affect one side of the head, and the pain associated with them can be very severe and pounding. Migraines are often accompanied by an extreme sensitivity to light, as well as vomiting. There are also medications which, when taken daily, may prevent migraines if they are occurring frequently.