Anti-histamines Flashcards
1
Q
Cromoglycate
A
- mast cell stabilizer that inhibits histamine release
2
Q
Diphenhydramine, Chlorpheniramine, Pyrilamine, and Meclizine
A
- selectively block H1 histamine receptors
- cross blood-brain barrier and cause sedation
3
Q
Cimetidine
A
- selectively blocks H2 histamine receptors
4
Q
Epinephrine
A
- causes vasoconstriction which decreases the allergic response
5
Q
Cetirizine, Loratidine, and Fexofenadine
A
- selectively block H1 histamine receptors
- non-drowsy
6
Q
Indications for use of H1-histamine antagonists
A
- allergic disease
- motion sickness
- conditions secondary to exaggerated histamine production and release (ex: mast cell tumors)
