Hello, Borislav. I have never heard of trofo 5 gel but it must be what your hospital uses for patients. Did you use it and did it work?
Go to the pharmacist or drugstore and ask them what they have for baby diaper rash. Tell them it's a very intense rash and see what they recommend. Whatever you buy, or if you try some of Bobish's suggestions, make sure the area is cleaned, and dry, before applying anything. Don't apply if your skin is damp because the cream will seal in the moisture and that will make your itch and burn worse. Clean and dry first.