This dis-regulation of heart rate and blood pressure can lead to inadequate blood flow to the organs, especially the brain, and can cause vasovagal syncope or a temporary loss of consciousness. Patients with bulimia nervosa should be monitored for these cardiovascular complications.

Why did my eating disorder make me faint?

People with anorexia can experience severe lightheadedness and fainting spells. This can sometimes be due to the loss of the autonomic regulation of the heart and blood vessels which can cause huge drops in blood pressure when doing normal things like standing or walking.

What are 3 warning signs of bulimia?

What are the Warning Signs of Bulimia?
Episodes of binge eating.Self-induced vomiting.Smelling like vomit.Misuse of laxatives and diuretics.Complaining about body image.Expressing guilt or shame about eating.Depression.Irritability.

Frequent purging can cause dehydration. This leads to weak muscles and extreme fatigue. It can also throw your electrolytes out of balance and put strain on your heart. This can cause an irregular heartbeat (arrhythmia), and in some severe cases, a weakened heart muscle and heart failure.