 [ Symptoms ] can you use beast milk on a diaper rash she has a bad rash all over [ Disease ] interestingly yes you can use breast milk for diaper rash although i am not aware of any studies that prove it works many women claim it does it certainly can not hurt to try my concern is when you say the rash is all over  i hope you mean all over the baby is bottom if your baby is having a rash above the waist you should seek medical treatment with diaper rash prevention is better than treatment remember diaper rashes thrive in moist environments it is very important that you thoroughly clean and dry your baby is genitals groin and bottom with each diaper change and never leave your baby soaking in wet diapers change the diapers regularly instead of commercial baby wipes try cleaning with a soft cloth and plain water to make sure your baby is not having an allergic skin reaction to something in the wipes wishing you and your baby well