Histaminergic Agents Flashcards

0
Q

MC side effect of First Generation H1 receptor antagonist

A

Drowsiness

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1
Q

Histamine is formed from what amino acid

A

Histidine

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2
Q

Examples of 2nd Gen H1 receptor antagonist

A

cetirizine,loratadine,desloratadine,fexofenadine

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3
Q

H2 receptor Antagonist used for PUD. It is a known CYP450 inhibitor

A

Cimetidine

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4
Q

Side effect of Cimitidine

A

Gynecomastia

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