In this scenario, a 19-year-old female presents with concerns about having dark brown urine. The pharmacist conducts a history-taking process, identifies the cause, and provides appropriate guidance. 

Please ensure that this scenario and mark scheme align 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.