Diphenhydramine (Benadryl)

Card Set Information

Author:
fyrems
ID:
89987
Filename:
Diphenhydramine (Benadryl)
Updated:
2011-06-09 23:01:27
Tags:
Diphenhydramine Benadryl
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Description:
Paramedic drugs
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  1. Class
    Antihistamine
  2. Description
    Blocks histamine release, thereby reducing bronchoconstriction, vasodilatation, edema, and capillary cell leakage.
  3. Mechanism of Action
    Histamines Blocker, Has some sedative effects (SLIGHT)
  4. Onset
    • Onset: Varies
    • Peak: Varies
    • Duration: Varies
    • Half Life: Varies
  5. Indications
    • Anaphylaxis- not used as first line agent (use epi)
    • Allergic reaction
    • Dystonic reaction due to phenothiazine’s
  6. Contraindications
    Asthma (use precaution because it's not always a contraindication, nursing mother)
  7. Precautions
    None of emergencies
  8. Side Effects
    blurred vision, dries bronchial secretions, headache, palpitations
  9. Adult Dose
    25-50mg
  10. Pedi Dose
    1-2mg/kg
  11. Max Dose
    50mg
  12. Routes of Administration
    Slow IV push, deep IM
  13. Supplied
    Prefilled syringe

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