A 35 year old female patient presented with history of repeated episodes of headaches. The attacks followed somewhat a cyclic pattern and occasionally accompanied by nausea. She has managed most of the episodes with acetaminophen but she noticed that the attacks are becoming more severe and she demands more appropriate treatment. Patient is no medication except oral contraceptive pills. Examination revealed a fully conscious and alert patient with no neurologic deficits and normal vitals signs. Red eyes were noticed which the patient attributed to lack of sleep recently. Which of the following medications is useful as a secondary prevention in this case?
A- Valproic acid
B- Acetazolamide
C- Methysergide
D- Lithium
E- Diazepam
A- Valproic acid
B- Acetazolamide
C- Methysergide
D- Lithium
E- Diazepam