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Hello and thank you for using JustAnswer. I am very sorry to hear about the severity of your friend's symptoms, I can understand why you would be concerned for her. Typically antidepressants take around 6-8 weeks to reach full effectiveness and usually an antipsychotic medication will take 1-2 weeks to start being effective. So overall your friend should have received some relief if these medications are working. Psychotropic medications are not an exact science unfortunately so sometimes there are some trial and error approaches to get the right medication and dosage that will work for you with little to no side effects. For some people they respond great to certain medications and for others they do not respond at all and that is because our body chemistries are different. Right now if her current medication regimen is not working than her psychiatrist must either increase the dose more, add augments to her medication regimen, or switch her to a different medication. This would be the standard protocol for someone not responding to treatment after this long.
As for finding a psychiatrist that would be best for her...I would look for someone that specializes in treating Schizophrenia, Schizoaffective Disorder, Bipolar Disorder, and/or Treatment Resistant Depression.
Please let me know if you have any other questions or concerns as I would be happy to continue assisting you regarding this issue.