Antihistamines Flashcards
Chlorpheniramine
Chlortrimeton
first generation H1-Antihistamine
Cetirizine
Zyrtec
Second generation H1-Antihistamine
Excreted largely unchanged in the urine
Cyclizine
Marezine
first generation H1-Antihistamine
muscarinic blocking effects, treats motion sickness
Desloratidine
Clarinex
second generation H1-Antihistamine
Dimenhydrinate
Dramamine
First generation H1-Antihistamine
Diphenhydramine
Benadryl
First generation H1-Antihistamine
Fexofenadine
Allegra
Second generation H1-Antihistamine
Excreted largely in the feces
Loratidine
Claritin
Second generation H1-Antihistamine
metabolized to active metabolite desloratidine
Meclizine
Antivert, Bonine
first generation H1-Antihistamine
Muscarinic blocking effect - prevent motion sickness
Promethazine
Phenergan
First generation H1-Antihistamine
Antiemetic effect by blocking central muscarinic and dopamine receptors
Cimetidine
Tagamet
H2-receptor blocker - decrease gastric acid secretion
Treats gastric, duodenal ulcers, uncomplicated GERD, prevents stress ulcers
Inhibits CYPs
Ranitidine
Zantac
H2-receptor blocker - decrease gastric acid secretion
Treats gastric, duodenal ulcers, uncomplicated GERD, prevents stress ulcers
Famotidine
Pepcid
H2-receptor blocker - decrease gastric acid secretion
Treats gastric, duodenal ulcers, uncomplicated GERD, prevents stress ulcers