A 40-year-old man is brought to emergency by his wife 20 minutes after several episodes of staring and blinking. He has type II diabetes mellitus and bipolar disorder. Current medications are metformin, glyburide, bupropion, and lithium. Two weeks ago, he started taking terbinafine for onychomycosis. Vitals are within normal limits. Neurologic examination shows no abnormalities. Which of the following is the most likely explanation for this patient’s symptoms?
Adam-Stokes attack
Adverse effect of lithium
Catatonic episode
Rapid cycling bipolar disorder
Seizure activity
