Migraine is a syndrome of episodic recurrent attacks of unilateral headaches, associated with nausea,vomiting,photophobia or phonophobia and preceded by an aura of focal neurological event (usually visual) Headache is caused by vasodilatation of extracranial vessels.

Traid of migraine

      Clinically the patients present variants of Migraine

Classical migraine
      Migraine with aura and all the three components of triad of migraine viz.,paroxysmal headache,nausea and / or vomiting and aura of focal Neurological event.

Common migraine
      Migraine without aura and with / without vomiting.

Migraine equivalent or accompaniment
      Migraine comprised of only focal neurological disturbunce without Head ache or vomiting Most commonly occur in patients between 40- 70 years.

Complicated migraine
      Symptoms of migraine do not resolve, leaving more permanent neurologic disturbances ie., dramatic focal neurologic features overlapping classical migraine.

Status migrainosus
      Severe unresolving migraine attacks that last for more than 72 hours.

Opthalmic migraine
      Visual disturbunce (Scotoma) succeeded by momentary blindness (anopsia)

Opthalmoplegic migraine
      Transient unilateral paralysis of 3rd cranial nerve, leads to lateral deviation and palpebral ptosis.

Dysphasic migraine
      Unilateral paraesthesia / Anaesthesia occurs in face,arm or foot.

Hemiplegic migraine
      Migraine with numbness or woodenness of ipsilateral limbs, Exaggerated deep tendon reflex and Babinski's Sign.

Basilar migraine
      Migraine characterized by disturbunce in brainstem function such as vertigo,dysarthria and diplopia accompany.

       May be accompanied by momentary loss of consciousness.