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3 Cards in this Set
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MOA of H1 Anti-histamines |
Block H1 receptors especially in Mast Cells |
Mast Cells |
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Clinical Uses of H1 Anti-histamines |
-allergic rhinitis -allergic contact dermatitis |
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H1 receptor stimulation leads to: |
-Extravascular smooth muscle contraction -Vascular smooth muscle relaxation -Endothelial cell contraction |
-ESM & EC contraction -VSM relaxation |
