AKT-4074

A 29-year-old woman comes to your clinic for a routine check-up regarding her migraines. She reports experiencing these headaches twice a week for the past few months and has been managing them with sumatriptan. During her last visit, your colleague suggested trying a prophylactic medication if her symptoms do not improve. The patient mentions that she and her partner are considering starting a family soon but are not currently using any long-term contraception.

Which of the following treatments should be avoided?