I'm so sorry you are struggling with the feelings you are having right now. It's no fun, I can so relate!

One thing that may interest you is the possibility that what you are experiencing may be totally related to your period. PMS or PMDD may be what is happening.

You may find this site interesting and something you may want to talk to your doctor about. Premenstrual Syndrome (PMS) Symptoms: Physical and Emotional

There are times when our issues are more related to our physical health than it being a mental health issue. I think it's important to always rule out a physical health reason first. This may be a really good place for you to start.

Wishing you well!