If you feel a dull, steady pain that feels like a band tightening around your head, you may have a tension headache.
If you feel throbbing that begins on one side and causes nausea or sound/light sensitivity, you may have a migraine. Visual disturbances, such as flickering points of light, may precede a migraine headache.
If you feel a non-throbbing pain around one red, watery eye, with nasal congestion on that side of your face, you may have a cluster headache.
If you feel a steady pain in the...
Medications can also prevent ocular migraines. Calcium-channel blockers, such as Cardene and Calan, are the most commonly used drugs. They work by opening up the blood vessels. Nonsteroidal anti-inflammatory drugs (NSAIDs) such as aspirin are also sometimes used. Less often, your doctor may prescribe drugs used to prevent blood clotting, depression, and epilepsy.