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REMSA Pharmacology > Diphenhydramine > Flashcards

Diphenhydramine Flashcards

1
Q

Diphenhydramine Class

A

antihistamine, anticholinergic, sedative/hypnotic

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2
Q

Diphenhydramine MOA

A

H1 inverse agonist, reversing effects of allergic reactions on capillaries
Crosses blood/brain barrier inversely agonizing the CNS H1 receptors causing drowsiness and supresses medullary cough center

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3
Q

Diphenhydramine Indications (2)

A

Allergic or anaphylactic reactions

Dystonic reaction

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4
Q

Diphenhydramine Contraindications (2)

A

Neonates/ nursing mothers

Patients on MAO inhibitors

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5
Q

Diphenhydramine Adult Dose

A

50mg slow IVP or IM

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6
Q

Diphenhydramine Pregnancy Classification

A

B (no harm to animals, untested on humans)

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7
Q

Diphenhydramine Peds Dose

A

1mg/kg max 50mg slow IVP or IM

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REMSA Pharmacology (22 decks)

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