An intense itching of one's skin and a reddening of the eyes are two acute effects of heroin due to a sudden increase in __________.

Question

Quizplus · Accepted Answer

The acute effects of heroin, such as itching and reddening of the eyes, are due to the release of histamine. Histamine is a chemical compound that is produced by the body's immune system and is released in response to an injury or foreign substance. Heroin can stimulate the release of histamine, causing these acute effects.

An Intense Itching of One's Skin and a Reddening of the Eyes