A rectal suppository is a small, solid piece of medication that melts at body temperature. It contains a laxative that stimulates the bowels or softens the stool, treating constipation. Different ...

Medically reviewed by Kristie Reed, PharmD You can use glycerin to moisturize your skin; it is often added to lotions and creams. Glycerin may also relieve constipation when you use it as a rectal ...