Difference between revisions of "Diphenhydramine"

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Latest revision as of 01:09, 30 March 2022

Diphenhydramine
Clinical data
Dosage
Adult dosing
  • 25-50 mg IV/IM q4-6h over 5 min
  • 0.5-1 mL of 50 mg/mL
Indication 
Anaphylaxis
Route 
Preparation 
50 mg/mL

  • Max 400 mg/day
  • Rapid IV administration may cause hypotension

  1. Ellis BC, Brown SG. Parenteral antihistamines cause hypotension in anaphylaxis. Emerg Med Australas. 2013 Feb;25(1):92-3. doi: 10.1111/1742-6723.12028. PMID: 23379461.
Pharmacodynamics
Pharmacokinetics
Physical and chemical data
Article quality
Editor rating
Unrated
User likes
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Provide a brief summary of this drug here.

Uses

Contraindications

Absolute contraindications

Precautions

Pharmacology

Pharmacodynamics

Mechanism of action

Adverse effects

Pharmacokinetics

Chemistry and formulation

History

References