An adult client has been prescribed oral prednisone for the treatment of an acute dermatological condition. When teaching this client about this course of treatment, what teaching point should the nurse emphasize?
1. The importance of gradually reducing rather than abruptly stopping the drug.
2. The importance of matching each day's dose to the severity of symptoms.
3. The need to avoid drinking grapefruit juice for the duration of treatment.
4. The need to supplement prednisone with high doses of vitamin D.