We are very sorry to learn about the problems you've experienced and do hope your baby's symptoms have improved. Please be assured that Pampers Swaddlers Ultra are carefully manufactured with the same safe and mild ingredients as our other Pampers products, and should not cause your child to have a diaper rash. We’re here to help with this concern and hope you’ll call us Monday-Friday from 9 AM to 6 PM EST at 1 (800) 726-7377.