It is 17:30 in the Emergency Department. A specialty registrar telephones about a patient who has been reviewed by their team and is now being considered for discharge. They ask whether you could issue a prescription for a medicine they have recommended before the patient leaves.

You recognise the drug name from briefly reading about it in a BMJ article, but you have not prescribed it yourself before. The specialty entry in the electronic record is brief, and the intended monitoring and follow-up arrangements are not clear. The registrar comments that the treatment plan has been discussed within their team and asks whether the prescription can be arranged from the Emergency Department.

According to GMC prescribing guidance, what is the most appropriate next step?

 Select only one best single option.