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

Intense itching of one's skin is caused by histamine release, and reddening of the eyes is often a result of increased blood flow and inflammation caused by histamine. Heroin use can cause a sudden release of histamine, leading to these acute effects. Endorphins, testosterone, and morphine are not generally associated with these specific symptoms.

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