A Client Has Received a Prescription for a Sulfonamide

A client has received a prescription for a sulfonamide.Which statement by the client indicates a need for further instruction?

A) If I develop a fever or severe diarrhea,I will call my health care provider."
B) I will call the health care provider if my symptoms have not improved in the next few days.
C) I will limit my fluid intake to about three glasses per day."
D) I will return for my scheduled appointment for lab work."