Diaper rash can be painful, so they may be fussy if they have a rash on their bottom.
Change diapers frequently; use baby wipes to clean and be sure to dry the area. Too much moisture plus sensitive skin can equal diaper rash for many babies. Diaper rash can be painful, so they may be fussy if they have a rash on their bottom. Diaper rash creams can help both treat and prevent irritation.