Antiallergy drugs Flashcards Preview

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Flashcards in Antiallergy drugs Deck (5)
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1

H1 effects

capillary dilation
Decrease AV valve conduction
Inc peripheral pain receptors

2

H2 effects

Increase GI acid secretion
Increase SA node rate - increase HR

3

Firs gen drugs

Diphenhydramine
hydrasizine
promethazine

4

First gen Side effects

Sedation, drowsiness
CNS depression
Anticholinergic or antimuscarinic - dry moth
Local anesthesia

5

Second Gen drugs

non sedating
Cetirizine
loratadine
bilastine