From the symptoms mentioned she might be having bipolar mood disorder but that is very unusual to start at this age
Secondly, the prescribed medicines are suggestive of psychotic illness
These psychiatric symptoms occuring at this age could be a part of some neurological disorder or could be associated with memory disturbance(dementia)
Next Steps
consultation with a psychiatrist for detailed history and mental status examination is needed
she might also need brain imaging like MRI for further management
you can consult a psychiatrist online or in person, whichever is feasible and convenient