LT is a 42-year-old white female with past medical history of epilepsy, gastroesophageal reflux disease and seasonal allergies. She weighs 86 kg, height 5’6” and allergic to Aspirin (rash) and Phenobarbital (difficulty breathing).
Her medications include Omeprazole 40mg daily, Phenytoin 200mg twice daily, Valproic acid 500mg four times daily, Loratadine 10mg daily. She comes to your community pharmacy to pick up prescription for Primidone 250mg twice daily.
Pertaining to Primidone what is the most appropriate action to take?
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