This article is from the Dissociation FAQ, by Discord (firstname.lastname@example.org) with numerous contributions by others.
There are a great many disorders which have, at least in part, some
similar symptoms to the dissociative disorders, or result in similar
Primarily among these are personality disorders, as might not be
surprising to those who look at the name "Multiple Personality Disorder".
In particular, Borderline Personality Disorder would seem to result in
the type of issues that many multiples experience, as would identity
Some mood disorders might also result in similar functional problems.
Schizophrenia is considered by some to be similar to MPD.
PTSD (Post Traumatic Stress Disorder) might be considered by some people
to be a related disorder, as its causes are similar to that of MPD and
other dissociative disorders (i.e., severe stress and/or trauma).
Although perhaps not clinically similar, it would seem that autism and
related disorders create similar types of disfunction to dissociative