A 22-year-old Asian man has been diagnosed with a seizure disorder. Prior to initiating treatment with an anticonvulsant, what should his nurse practitioner consider?

Obtain a complete blood count (CBC), thyroid studies, and HbA1c

Obtain a CSF analysis, urinalysis, electrolyte level, glucose level

Obtain a pharmacogenomic profile to determine if he has one of the HLA alleles that make him more susceptible to Stevens-Johnson syndrome

Refer to a psychiatrist to rule out factitious disorder