Sneezing powder refers to a group of powders or powder-like substances that induce sneezing when someone is exposed to them. This is usually done as a practical joke or prank to an unsuspecting victim. Sneezing powders containing Veratrum album alkaloids have been linked to poisoning, including upset stomach, fainting,A slowed heart rate and pressure. Children are especially vulnerable. These special ingredients are just what you may need in some special situations. Manufactured under contract by Laboratories toA fulfilA the occasional unusual operational requirement of and other federal agents, these products are now available for non-governmental sale.