Migraine is a type of headache marked by severe head and typically affect one side of the head.
They can last anywhere from a few hours to a few days.

Causes

Experts are not sure what causes migraines. The blood vessels in your brain may get wider or narrower. This may cause swelling and pain. At the onset of a migraine, the blood vessels in your head first shrink, then swell, causing pain. Tension, bright lights, strong smells, weather changes, fatigue, missed meals, and emotional upset all may trigger a migraine.

Symptoms

The main symptom of a migraine is a throbbing headache on one side of your head. You may also feel sick to your stomach and vomit. Activity, light, noise, or odors may make the migraine worse. The pain may move from one side of your head to the other. Different people have different symptoms.

Treatment

Nonsteroidal anti-inflammatory drugs are helpful for early and mild headache.
NSAIDs include acetaminophen, ibuprofen, naproxen, and others. A recent study concluded that a combination of acetaminophen, aspirin, and caffeine could effectively relieve symptoms for many migraine patients.

Medications:

• Propanolol, Depakote, Verapamil,  and some of the Imitrex, Migranal, Stadol, Zomig, and Amerge are some examples of this class.
• For severe headaches that are not aborted, hospitalization and medication for nausea and vomiting and strong painkillers such as Demerol can be given.
• Prescription painkillers such as Fiorinal with or without codeine, Percodan, and Ibuprofen are also used.
• Herbal and nutritional treatments such as fever few, butter root, B-2 vitamins (400milligrams/day), and Magnesium (400milligrams/day) may help.