Nocturnal enuresis-defined as the involuntary passage of urine at night-is a common childhood condition. Although most will outgrow it, a wait-and-see approach is not appropriate if bedwetting is affecting the child's self-esteem or causing stress within the family. This article offers an overview of the causes and effects of the condition; discusses treatment options, including alarm therapy and medication; and describes ways that nurses can provide education and support.