I get really bad PMS, always have, it got worse as I got older, I had a PMDD dx in my twenties. Later after my BP dx my pdoc said BP symptoms in women tend to be exacerbated by hormonal changes, ie menstrual cycle, menopause, childbirth, breastfeeding. That has certainly been true for me. I would DEFINITELY feel violated or at least uncomfortable with my sister having done that, especially if I really had PMS since my anger and irritability tend to be worse around that time definitely can warrant at least a call to your doc and/or a PRN. I'm sorry you are feeling this way.