My boyfriend has recently started using Triamcinolone Acetonide U...

My boyfriend has recently started using Triamcinolone Acetonide USP, 0.1% (Topical Cream) for a little rash around his nose and mouth. It is really strange because every time he applies this stuff he turns into a different person!! Yesterday he put a little on and then just started being horribally mean! I have NEVER seen him act like this! He was in my face screaming at me. I understand that sometimes I may get on his nerves but last night I had cooked him dinner, watched some of an old movie, I did the dishes, and he just came up to me out of NOWHERE and started acting like a young teen going through puberty! He was making no sence. Just screaming, throwing a fit! I think it is from this steroid cream... and all the other stuff I have read... Bad stuff...