Antiallergy drugs Flashcards
1
Q
H1 effects
A
capillary dilation
Decrease AV valve conduction
Inc peripheral pain receptors
2
Q
H2 effects
A
Increase GI acid secretion
Increase SA node rate - increase HR
3
Q
Firs gen drugs
A
Diphenhydramine
hydrasizine
promethazine
4
Q
First gen Side effects
A
Sedation, drowsiness
CNS depression
Anticholinergic or antimuscarinic - dry moth
Local anesthesia
5
Q
Second Gen drugs
A
non sedating
Cetirizine
loratadine
bilastine
