It is a normal situation to have black stools after taking Aleve. First of all, it is necessary to clarify the content inside Aleve and what the nutritional composition is. The Aloever is a multivitamin tablet, it is mainly pregnancy and lactation of women to vitamins, minerals and trace elements of additional supplements, while preventing the stage of iron deficiency and folic acid caused by anemia. It is not a side effect of the drug, but because the iron contained in Aleve can be metabolized in the body in the process and lead to the formation of black stools, and does not affect the drug itself and the health of the body. So in the supplementation of Elavil found when the stool becomes black, this is a normal situation of the drug, you do not need to panic, because it contains iron caused by.