Unfortunately yes, so try to cure it rapidly and don’t worry small amounts of cortisone for a small period of time is not risky

I use a slight accoubt of a cream containing antibacterial, anti fungal and cortisone, and it’s like a magic from the second use the rash goes

You can use slight amount of cortisone creams but try to minimize both quantity and area

Yes it can 
But please avoid this by taking measures that doesn’t give diapers rash
Cleansing the area properly 
Making sure no water left on that area 
And changing the diaper every 4-5 hours not more than that

Diaper rash and eczema

Eczema

Could the diaper rash transformed to an eczema? It doesn’t cured by normal creams for diaper rash, and I am afraid to use cortisone creams