Diphenhydramine G7 Flashcards
1
Q
Diphenhydramine Class
A
• Antihistamine
• Anticholinergic
2
Q
Diphenhydramine MOA
A
• Blocks H1 histamine receptors
• Reverses a phenothiazine reaction with extrapyramidal symptoms
3
Q
Diphenhydramine Indications
A
• Allergic reaction
• Anaphylaxis
• Phenothiazine reaction with extrapyramidal symptoms
4
Q
Diphenhydramine Adult dose
A
• Allergic reaction/anaphylaxis: 25 to 50 mg
• Phenothiazine reaction with extrapyramidal symptoms: 10 to 50 mg
5
Q
Diphenhydramine Contraindications
A
• Known hypersensitivity to the drug
6
Q
Diphenhydramine Adverse effects
A
• Hypotension
• Dysrhythmias
• Sedation
• Euphoria
7
Q
Diphenhydramine Pediatric dose
A
• 1.0 to 1.25 mg/kg