QInB=50

A patient prescribed fexofenadine (Telfast®) for chronic urticaria asks why it causes less sedation than diphenhydramine. Which property explains this?

Question

QInB=50
 
 A patient prescribed fexofenadine (Telfast®) for chronic urticaria asks why it causes less sedation than diphenhydramine. Which property explains this?

Answer

Partial agonism at H₃ autoreceptors

Answer

High selectivity for peripheral H₁ receptors

Answer

Minimal penetration to the CNS

Answer

Competitive inhibition of histamine degradation

Answer

Inhibition of histamine synthesis in mast cells

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QInB=50 A patient prescribed fexofenadine (Telfast®) for chronic urticaria as...

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