A 33-year-old comes to the physician for a 2-month history of fidgeting and agitation in bed before falling asleep that has led to arguments with her partner. She has no past medical history. She is a non-smoker and drinks a glass of wine nightly. She works in a textile factory with exposure to industrial dyes. She has a normal diet and consumes many ice-pops. Which of the following is the most appropriate next best step in management?
Baclofen
Gabapentin
Iron studies
Pramipexole
Urine and serum toxicology
