Sporadic hemiplegic migraine (SHM) is less common than familial hemiplegic migraine and is not inherited, which means that a person will not have a family history of the condition.

Hemiplegic migraine (a rare but severe subtype of migraine with aura) causes temporary paralysis — sometimes lasting several days — on one side of the body prior to or during a headache.

A migraine episode may have up to four distinct stages or phases, each of varying duration: prodrome, aura, headache, and postdrome. But not everyone experiences all the stages all the time.

hemiplegic or ophthalmologic migraine, severe liver or kidney disease, stroke, allergy to the drug or along with MAO inhibitors or ergot alkaloids. Adult: PO- Migraine >18 years: 50-100 mg ...