How do people recover from postpartum depression / psychosis?

An antidepressant: There is something called the postpartum blues which are common and usually resolves on its' own. Then there is post partum depression which can actually be quite serious. In fact, being overly depressed for too long after delivery can interfere with the way mothers and their newborns bond and attach to each other. It is important to seek out some treatment. Ask your obstetrician for help.

Therapy & medication: Psychotherapy with a mental health professional with specialization in treatment of postpartum emotional disorders is very effective. Many women often need medication as well. With treatment, there is a very high success rate. Women with ppp need hospitalization and medication from a psychiatrist; this is critical.

Ppd: Therapy, support and time.

DEPENDS: It really depends on whether it is depression or psychosis. Depression requires treatment maybe with meds maybe just therapy. Psychosis is extremely dangerous and requires medications and maybe hospitalization very serious condition and needs immediate attention..