Dihydroergotamine is a vasoconstrictor and is the most effective drug during one of the following phases of migraine?
A. Asymptomatic phase
B. Prodromal phase
C. Headache phase
D. Both A & C
Answer:B
Dihydroergotamine is a vasoconstrictor and is the most effective drug during one of the following phases of migraine?
A. Asymptomatic phase B. Prodromal phase C. Headache phase D. Both A & C