Forceful vomiting can cause tears in the lining of your esophagus, the tube that connects your throat to your stomach. If it tears, it can cause severe and life-threatening bleeding.

What does bulimia do to your blood?

Bulimia can cause low blood pressure, a weak pulse, and anemia. Vomiting can be a violent event. The sheer force of it can even cause the blood vessels in your eyes to rupture.

Can bulimia cause blood in stool?

This is known as a Mallory-Weiss tear, and it can cause life-threatening bleeding. Frequent purging may also injure blood vessels near the anus, causing hemorrhoids. People who use diuretics or laxatives to purge may have other digestive issues.