Children transitioning to adolescence may experience teen moodiness, the source of much frustration for parents. This stage is characterized by struggling with normal daily functions, mood swings, and exhibiting risk-taking behaviors. Dr. Sarah Garwood, Adolescent Medicine Specialist at St. Louis Children’s Hospital, explains the factors causing teen moodiness, how to deal with teenage mood swings, and when you should be concerned. If you are concerned about your moody teenager, early intervention is important. Contact a mental health professional or your pediatrician.