Diphenhydramine Drug Card 2023 with complete solution

Diphenhydramine Class Antihistamine Diphenhydramine Onset Rapid (IV or IM) Diphenhydramine Half-Life 1 - 4 hours Diphenhydramine Dosage 25mg - 50mg IV/IM for adults, 1mg/kg for pediatrics up to 50mg Diphenhydramine Action H1 receptor antagonist blocking histamine release; sedative activity Diphenhydramine Indications Mild, Moderate, or Severe Allergic Reaction Diphenhydramine Protocols Allergic reaction Diphenhydramine Side effects Drowsiness; dizziness; headache; fatigue; tachycardia/palpitations; euphoria; urinary frequency, drying secretions Diphenhydramine Contraindications Hypersensitivity Diphenhydramine Special considerations Pregnancy; dystonic (extrapyramidal) reactions. Use caution in patients with CNS depression or lower respiratory disease (e.g., asthma) due to drying of secretions. Can be used for dystonic reaction to Haloperidol (Must call medical control for this use)