The components of a prescription are many; medicine (chemical entity, formulation and dosage form), the dose, the route of administration (oral, topical etc.), frequency of dose, and duration of treatment.

• 一份完整的处方通常包括：药物（化学成分、配方和剂型）、剂量、用法（口服，局部用药等）、用药频率和疗程。