The mechanism of action of "Terfenadine" (Seldane) is :-

Helps in the secretion of histamine

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Activates the histamine receptor

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Inhibits the secretion of histamine

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Inhibits the action of histamine receptor

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Solution

The correct option is D Inhibits the action of histamine receptor
Seldane act as antihistamines and interfere with the natural action of histamine by competing with histamine for binding sites of receptor.

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