Hi sidse - Have you explored the possibility that the Quetiapine (Seroquel) could be the cause of your discomfort? One of the side effects is inflammation of the vagina and bladder problems.
"Seroquel can affect the functioning of the bladder, kidneys and reproductive organs. Side effects include absence of the menstrual period, vaginal inflammation, urinary incontinence, impotence, painful urination, abnormal ejaculation, urinary tract infection, painful menstruation, vaginal hemorrhage, inflammation of the testes, gynecomastia and urinary frequency."
Taz x