Hi

She is having as per your history hallucinations and delusions which are characteristic of schizophrenia a major mental disorder. It can be very well treated in majority and symptoms remit in few months time with effective antipsychotics. Consult an astute psychiatrist either in person or online and seek remedy.Good luck

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It might be a major psychiatric disorder…need more history for better diagnosis

Trauma of any sort physical or mental leaves an impact onto an individual. The symptoms you have mentioned above point towards various possible psychiatric diagnosis but likely could be persistent depressive disorder with psychotic features, the delusional theme could be a possible strong rumination that her brain has made her to believe as reality. She might be having bouts of agitation as well. If not treated her quality of life will deteriorate given the long standing history of symptoms as well as additional component of aging which can lead to Its own neurodegenerative changes.

Let her get assessed by a mental health professional nearby.she needs to be treated