Antihistamines Flashcards
physiological antagonist
epi
inhibitors of histamine release
cromolyn and nedocromil
2nd gen antagonist (piperidine)
fexofenadine (allegra)
2nd gen antagonists (miscellaneous)
loratadine (claritin), desloratadine (clarinex), cetirizine (zyrtec)
H1R antagonist with antinausea and antiemetic effects
doxylamine
H1R antagonist with antiparkinsonism effects
diphenhydramine
H1R antagonists with anticholinoceptor effects
ethanolamine and ethylenediamine
H1R antagonist with adrenoceptor-blocking action
pormethazine
H1R antagonist with serotonin-blocking action
cyproheptadine
H1R antagonists used for local anesthesia
diphenhydramine and promethazine
inhibition of histamine release
cetirizine
which H1R antagonists are most effective in prevention of motion sickness
promethazine and diphenhydramine
H2R antagonists
cimetidine, ranitidine, nizatidine, famotidine