allergy

  • Lessons

    Anaphylaxis

    True anaphylaxis is a type 1 hypersensitivity reaction where histamine, serotonin, leukotrienes, and other mediators are released from basophils and…

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  • Pharmacology

    Diphenhydramine

    Diphenhydramine (Benadryl) is a first generation antihistamine which blocks H1 histamine receptors. Unlike many second generation antihistamines, first generation medications…

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