Please enable JavaScript.
Coggle requires JavaScript to display documents.
ANTIHISTAMINES - Coggle Diagram
ANTIHISTAMINES
anti-histamines compete directly with histamine for receptor sites H1 blockers
diphenhydramine
drying of the mucous membranes
produce drowsiness
tx of allergies
non-sedating
loratadine
cetirizine
fexofenadine
Mediations
PO
chlorpheniramine
diphenhydramine
cetirizine
levocetrizine
fexofenadine
loratadine
desloratadine
Intranasal
azelastine
olopatadine
Histamine-1 receptors
smooth muscle contraction
Histamine-2 receptors
accelerate HR & gastric acid secretion