julz2999 julz2999

20-11-2019
Chemistry

contestada

An antihistamine _______ the receptor site preventing the histamine from binding by have a similar shape and binding characteristics.

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profantoniofonte profantoniofonte

22-11-2019

Answer:

An antihistamine suppresses and blocks the histamine to the receptor site preventing the histamine from binding by having a similar shape and binding characteristics.

Explanation:

Antihistamine drugs work by blocking H1 receptors. This block prevents most histamine binding. By doing that, there is a dramatic reduction of Histamine action: reducing itching, watery eyes, urticaria, etc. Antihistamine drugs have been prescribed as an anti-allergenic class of medicine.

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