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Cetirizine Vs Diphenhydramine For the Treatment of Acute Urticaria in the ED

RebelEM

Background: Diphenhydramine, a first-generation antihistamine, is the most common pharmacologic agent used to treat acute allergic reactions. antibiotics, NSAIDs) Acute urticaria with angioedema or anaphylaxis provided that urticaria was still present after initial treatment and alleviation of anaphylaxis symptoms.

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ToxCard: Crotalid Envenomation Part 2 – CroFab vs. AnaVip: What’s the Difference?

EMDocs

1,2 More research is needed to determine whether a difference truly exists in efficacy of these antivenoms against local tissue effects which predominate after Agkistrodon envenomation. Research suggests that F(Ab’) 2 antivenom, compared against F(ab) antivenom, may be associated with lower rates of late and recurrent coagulopathy.