Diphenhydramine G7 Flashcards

1
Q

Diphenhydramine Class

A

• Antihistamine
• Anticholinergic

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2
Q

Diphenhydramine MOA

A

• Blocks H1 histamine receptors
• Reverses a phenothiazine reaction with extrapyramidal symptoms

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3
Q

Diphenhydramine Indications

A

• Allergic reaction
• Anaphylaxis
• Phenothiazine reaction with extrapyramidal symptoms

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4
Q

Diphenhydramine Adult dose

A

• Allergic reaction/anaphylaxis: 25 to 50 mg

• Phenothiazine reaction with extrapyramidal symptoms: 10 to 50 mg

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5
Q

Diphenhydramine Contraindications

A

• Known hypersensitivity to the drug

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6
Q

Diphenhydramine Adverse effects

A

• Hypotension
• Dysrhythmias
• Sedation
• Euphoria

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7
Q

Diphenhydramine Pediatric dose

A

• 1.0 to 1.25 mg/kg

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