Answer: prescribing

AnswerCrossword Clue
prescribing(of a medical practitioner) Advise and authorize the use of (a medicine or treatment) for someone, esp. in writing
prescribingPRESCRIBE, to lay down a rule or direction
prescribingState authoritatively or as a rule that (an action or procedure) should be carried out
prescribingRecommend (a substance or action) as something beneficial