Yes, if you are purging, you have an eating disorder. Period.
I'm not quite sure what you're asking...? Anorexia and/or bulimia can cause an 'unbalanced diet' and lack of nutrients to the body, but you do not simply 'get' and eating disorder from and unbalanced diet. An eating disorder is not just 'not eating' or other eating disorder behaviors, but much more extensive, involving mental and emotional patterns as well as the eating habits. (Or lack thereof. Ha.)
Just because your BMI is in the underweight category doesn't necessarily mean you have an eating disorder, although that is a sign. But some people can just have a higher metabolism than others, making them weigh less than average.
Yes, you can still have a eating disorder (anorexia) without actually being underweight.
Not anoxeric, but yes, underweight - but if you're a child, you should find a different answer. To clarify, anoxeria is an eating disorder, not a weight category.
A nurse would probably refer the patient to an eating disorder specialist.
Almost certainly yes. A disorder means a lack of order. Eating regularly and healthily is order, starving by choice is disorder. It's as simple as that.
If you are very much underweight, you probably are thin and skinny, but just can't see it. Before the condition worsens or spirals into a deadly eating disorder, you should really see a medical professionla or doctor about it.
If you eat 3 times a day, it's not an eating disorder. Many people enjoy exercising. It's good for you.
No. Most anorexics, in fact, are either normal weight or underweight.
Why is what considered an eating disorder
Why is what considered an eating disorder
Why would you want to be underweight? You should eat normally silly.