Is amenorrhea a critical criterion for anorexia nervosa?

No. Particularly early in the course of the condition, no.
Yes. If you had regular period in the past but stopped having them due to severe weight loss. Amenorrhea (the absence of at least three consecutive menstrual cycles) is one of the dsm criteria worth taking into account when making a DX of anorexia.

Related Questions

I have primary amenorrhea. I had anorexia age 15-17. I was healthy weight before and after yet never started. Did anorexia affect primary amenorrhea?

Get tested. Fully half of those with primary amenorrhea have a chromosome defect like XO Turners syndrome.Others may have a partial or complete defect in the formation of the internal parts. There are other causes but your first step is to get in and be tested. Anorexia can alter the pattern, but you should have started by 15. (before your anorexia) Read more...

I m 19 and I have secondary amenorrhea from anorexia (recovering and getting help) but I haven t gained weight yet or changed my eating much but all of a sudden I got a period after not having one since June this year. Can I really just suddenly get my pe

Ans. Yes. The body will shut itself down to save itself. The first to go is the period. You may not be ovulating though. Not get eating healthy right now or you will ruin your organs and metabolism . Read more...
Your hormones are. in flux, with both estrogen and progesterone being regulated by your body to get back to normal cycle. Your nutrition may have triggered it, though the change was small. The menstrual flow right now could mean that your body is rebounding from months of amenorrhea, which your body does not like. Go see your family physician to see what they have to suggest. Read more...
Yes. There are so many factors that can affect the hormonal balance than controls your menses or lack thereof. Stress, weight loss, exercise etc. Even though you haven't gained weight yet it sounds like you are starting to eat a bit more. I suspect that you are a bit less stressed now that your getting help. Perhaps that is a factor in your period coming on. Read more...
Going to have to. start sometime. And, it isnt JUST from the hormonal/metabolic alterations of anorexia that stop periods; it is also from the mental/psychological/stress effects/hormonal that alter them. Read more...

Could amenorrhea of almost 3 years be caused by Addison's Disease? I am also recovering from anorexia, have celiac's disease, & low b.p. (8os/50s)

Addison's. Based on what you report you need urgent attention. Best to start by having someone drive you to the nearest Emergency facility. Initial evaluation will decide your next move. Best of luck - all should be OK once evaluation and decisions are made. Read more...