During afternoon rounds, the nurse finds a male patient using a pencil to scratch inside his knee-to-toe cast. The patient is complaining of severe itching in the ankle area. Which action should the nurse take?
A) Allow him to continue to scratch inside the cast with a pencil.
B) Give him a sterile metal object to use for scratching instead of the pencil.
C) Encourage him to avoid scratching, and obtain an order for diphenhydramine (Benadryl) if severe itching persists.
D) Obtain an order for a sedative, such as diazepam (Valium), to prevent him from scratching.
Ans: C
Feedback: Most patients can be discouraged from scratching if given a mild antihistamine, such as diphenhydramine, to relieve itching. Patients shouldn't scratch inside casts because of the risk of skin breakdown and potential damage to the cast. Sedatives aren't usually indicated for itching.
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