Why are some inhalants called vasodilators?
Some inhalants are referred to as vasodilators because they expand blood vessels and produce a sensation of heat and excitement. As blood vessels expand, the flow of blood increases causing blood pressure to fall rapidly. The heart must then work harder to compensate, and the increased heart rate can be hazardous, particularly for anyone with heart disease or high blood pressure. What is amyl nitrite? Amyl nitrite is a clear, yellowish liquid that is sold in a cloth-covered, sealed bulb. When the bulb is broken, it makes a snapping sound; thus they are nicknamed snappers or poprs (poppers). Amyl nitrite is used for heart patients and for diagnostic purpose because it dilates the blood vessels and makes the heart beat faster. Reports of amyl nitrite abuse occurred before 1979, when it was available without a prescription. When it became available by prescription only, unethical drug entrepreneurs marketed a closely related product called butyl nitrate. Now, in many communities, butyl ni
