Sleep. Exercise. Time alone. Take walks in the forest - it is actually proven to lower stress hormone levels. Lower your expectations, most of all on yourself.
If you saw a doctor over here you'd probably get two months sick leave straight up. I have no idea what you'll be prescribed but if you'll still be working full time, you'll need to lower your mental burden somehow.
And counseling is good, if nothing else then to give you tools to work with.