Diphenhydramine(Benadryl)

  1. Diphenhydramine(Benadryl) Class
    • Anithistamine
    • Anticholinergic
  2. Diphenhydramine(Benadryl) MOA
    • Blocks cellular Histamine receptors
    • Decrease vasodilation
    • Decrease motion sickness
    • Reverse extrapyramidial reaction
  3. Diphenhydramine(Benadryl) Indication
    • Symptomatic relief of allergies
    • Allergic reaction
    • Anaphylaxis
    • Acute dystonic reactions
  4. Diphenhydramine(Benadryl) Contraindications
    • Asthma
    • Glaucoma
    • Hypertension
    • Pregnancy
    • Infants
    • PTs takingĀ (MAOIs)monoamine oxidase inhibitors
  5. Diphenhydramine(Benadryl) Adverse
    • Sedation
    • Hypotension
    • Seizures
    • Visual Disturbance
    • Urinary retention
    • Palpitations
    • Arrhythmias
    • Dry mouth/throat
    • Paradoxical CNS excitation in children
  6. Diphenhydramine(Benadryl) Dosage
    Adult: 25-50mg IV/IM/PO

    Peds: 1-2mg/kg IV/slowIO/PO
Author
Lhernandez
ID
278378
Card Set
Diphenhydramine(Benadryl)
Description
Diphenhydramine(Benadryl) Drug profile
Updated