A client who was prescribed trifluoperazine (Stelazine) 2 days ago presents with muscle spasms of the tongue. The health care provider orders diphenhydramine (Benadryl) 50 mg IV. What is the rationale for this medication?
1. To decrease saliva and mucous secretions
2. To reverse the acute dystonia
3. To prevent anaphylaxis
4. To sedate the client
Correct Answer: 2
Rationale 1: Decreasing secretions is not the reason for administering this medication to a client with dystonia.
Rationale 2: Diphenhydramine (Benadryl) is used to reverse the acute dystonia before the client has respiratory distress caused by laryngospasms.
Rationale 3: The client does not display symptoms of anaphylaxis.
Rationale 4: Sedation will not help the client with dystonia.
Global Rationale: Diphenhydramine (Benadryl) is used to reverse the acute dystonia before the client has respiratory distress caused by laryngospasms. Decreasing secretions is not the reason for administering this medication to a client with dystonia. The client does not display symptoms of anaphylaxis. Sedation will not help the client with dystonia.
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