get diagnosed with Obsessive
Compulsive Disorder the person must meet the following criteria. They must have obsessions
or compulsions, which also significantly impact your daily life. Intrusive or persistent thoughts, images, or urges that cause distress. You
unsuccessfully try to suppress
or ignore these disturbing thought, images, or urges. And, excessive and repetitive behavior
that you feel you must
perform. People aren’t
usually aware they are doing some of
these things. Being diagnosed with this disorder
means having a chronic
mental illness that requires lifelong
management. Nina’s life only revolves around
ballet. She is very obsessed with ballet and the thought of being
completely perfect. Nina is always
very meticulous about preparing her pointe shoes, lining up and organizing all of
the makeup in the dressing room, she cuts
herself, and she feels the need to wash
her hands constantly, at every
chance she has. At several points
in the film we see that she
has a lesion on her upper back, caused by her constant scratching which she is not aware of. The
two best treatments are Cognitive Behavior Therapy, and medications.

In the movie she always experiences Anorexia Nervosa.
Anorexia Nervosa is a potentially life threatening disorder
that makes one very cautious
of what they eat, or
starvation and is followed
by vomiting. Nina monitors
and minimizes what she
eats with very little effort. 

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She mostly only eats grapefruits, and turns away all sweets
and other foods. She self induces
vomiting daily in the movie.
After these episodes
she experiences some temporary relief. The DSM-5
criteria fits Nina’s symptoms. The criteria
is intense fear of
gaining weight, even though
very underweight, and disturbance in the way in
which one’s body weight is or
the shape of their body. The treatment for this
disorder would be medication to gain some weight, and therapies
help with self-esteem and changes

Nina also experiences visual
hallucinations frequently everyday
which would go along with psychosis. According to the DSM-5 criteria, this would be classified as Schizophrenia. Schizophrenia lists five key symptoms of psychotic disorders. Delusions, hallucinations, disorganized speech,
disorganized or catatonic behavior, and negative symptoms.
Only one of the five were required
for this diagnosis if delusions were crazy or if
hallucinations included a running
commentary of a person’s thoughts or behavior. Throughout the movie she encounters loss of contact with reality and they include
false beliefs or delusions while hearing and seeing
things. She believes people are out to get her when in
fact they are not. She has stuffed animals in her bedroom
and she sees them coming
to life, talking
and mocking her in a scary way. She conjures fantasies and delusions of a love encounter
with her biggest
competitor, Lily. She has numerous times where she has auditory hallucinations of
girls laughing at her after her
performance, which is made up in Nina’s
head. She believes that she
is her biggest competitor

often sees her own face
as she is going on the
train, and passing by different places.
She also imagines herself actually
turning into a swan.
The treatment for this is usually
lifelong which consist of therapies and medications as well
as her other disorders.