Answer :USMLE step 2 Mcq 331:A patient with allergic rhinitis develops acute urticaria




Correct Answer: B

For the treatment of acute urticaria, the combination of H1 and H2 antagonists is more effective than the H1 antagonist alone, but for the treatment of pruritus from acute allergic reactions, the H1 antagonist is more effective than the H2 antagonist, and the combination offers no additional benefit.


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