In this scenario, the student pharmacist counsels a patient who has been prescribed carbamazepine for their epilepsy. The student must provide clear and appropriate answers to the patient's questions and ensure a thorough understanding of the medication's implications. 

Please ensure that this scenario and mark scheme aligns with the most up-to-date guidelines from the UK NICE and the BNF when using it for your OSCE assessment.

You will need a student pharmacist and an actor for this OSCE station.