What is the treatment for this because I have an eating disorder?

When I'm unhappy, I overeat and I don't feel full. when i'm nervous, i suddenly lose my appetite and i have stomach cramps, excessive hair loss and acne on the skin. I also received psychological treatment for a period, but it does not go away. The reason for this is in my previous questions. I'm in this process again
What is the treatment for this because I have an eating disorder?
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