my poor baby

My poor 12 day old baby is getting a diaper rash becus she shts so much & mommy has to wipe her 😒 now I'm sad becus she hollers wen I change her πŸ˜”! I caught it before it got really bad but I see it's gotten red & stuff ! I have tons of Cetaphil baby Diaper Cream ! & everytime I use it after she gets changed she seems calmer ! Any kind of suggestions or anything ? πŸ˜’πŸ˜”πŸ˜’πŸ˜”πŸ˜ž.. mommy' s very sad 😞