I would check the meds. Your body chemistry is going to change throughout your life, so what works now may not work later. And besides, its tricky business. It took 11 years to figure what worked with me.
So sorry to hear about the situation with your son. Sadly, this is all too common when it has to do with people with MI issues. I hope there is soome way that things can calm down so that you and your ex might be able to work together for visiting. I'm So sorry. Huggs, and hope that you can start feeling a little bettersoon.