Is there any connection between bulimia and bruising easily?

Yes: By purging food, one does not receive the proper nutrition, including various vitamins and other important components of food. A vitamin k deficiency could cause bleeding/clotting abnormalities. Poor nutrition can also affect the liver where the various blood clotting factors are manufactured. A person with such a condition should seek medical attention. Eating disorders are deadly..!

Bulimia: Bulimia results in purging, and along with use of laxatives, it impacts the nutrients your body needs, the deficiency of some such as essential vitamins can affect blood vessels integrity.