The compounds in peaches, apricots, and plums can cause allergic reactions in some people shortly after they eat these fruits. Usually, the allergic symptoms are limited to the digestive system, but in some cases, they may affect other organs and tissues in the body. In rare instances, eating these fruits can lead to anaphylactic shock. This article will explain the symptoms of allergies to peaches, apricots, and plums, as well as how to avoid them.