Thank you all guys!
Yes, nasacort is what i'm looking for and "No more tren killing your cardio" was the post I read months ago.
So, I'm going to use nasacort because i'm having the same problem: short breath, expecially when I do squat, deadlift and press.
Second cycle with tren, fist with tren e, I'm using "just" 320 mg weekly of tren e, with test e 350, I prefer low doses of compounds and very hard training, I think so your gains are more solid.