Phenergan

Card Set Information

Author:
Ritameeker
ID:
224769
Filename:
Phenergan
Updated:
2013-07-25 11:10:55
Tags:
Phenergan Promethazine Antihistamine H1 antagonist Paramedic Drug Study
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Description:
Phenergan
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  1. Phenergan

    Names / Class
    Promethazine

    Phenothiazine Antihistamine (H1 antagonist)
  2. Phenergan / Promethazine

    Mechanism of Action
    • Mild anticholinergic activity
    • Antiemetic
    • Potentiates actions of analgesics
    • Completely blocks histamine receptors
  3. Phenergan / Promethazine

    Onset of Action
    Peak Effects
    Duration
    Half-Life
    • 5 minutes (IV)
    • Varies
    • 4 - 6 hours
    • 10 - 14 hours
  4. Phenergan / Promethazine

    Indications
    • Nausea & Vomiting
    • Motion Sickness
    • Sedation
    • To potentiate the effects of analgesics
  5. Phenergan / Promethazine

    Contraindications
    • Comatose states
    • Pts who have received large amts of depressants (including ETOH)
  6. Phenergan / Promethazine

    Precautions
    • Avoid accidental intraarterial injection
    • Extravasation can cause tissue damage ("Black box" warning)
  7. Phenergan / Promethazine

    Side Effects
    • May impair mental & physical ability
    • Drowsiness
  8. Phenergan / Promethazine

    Adult Dose
    12.5 - 25 mg IV or IM
  9. Phenergan / Promethazine

    Pedi Dose
    0.5 mg/kg IV
  10. Phenergan / Promethazine

    Max Dose
    25 mg
  11. Phenergan / Promethazine

    Routes / How Supplied
    • IV
    • Deep IM

    Unknown (vial?)

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