An ambulatory care client with allergic dermatitis has been given a prescription for a tube of diphenhydramine (Benadryl) 1% to use as a topical agent. The nurse determines that the medication was effective if which of the following was assessed?
1. Nighttime sedation
2. Decrease in urticaria
3. Absence of ecchymoses
4. Healing of burned tissue
2
Rationale: Diphenhydramine reduces the symptoms of allergic reaction, such as itching or urticaria, when used as a topical agent on the skin. The oral form also has other uses, such as to provide mild nighttime sedation. It is not used to treat burns or ecchymoses.
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