Hi, Two Days Ago Expericenced Increasingly Severe Headache,leading To Dizziness,blurred

hi,
two days ago expericenced increasingly severe headache,leading to dizziness,blurred vision,right sided weakness and severe confusion.stokr ruled out most severe symptoms went in three to eight hours.never usually suffer headaches and never had migrine.discharged from hospital with migrine diagnosis and no explanation.
can someone of 49 develop hemiplegic migrine.to note had a stroke 5 years ago.also still feel lightheaded,general weakness and very tired,is this normal??