Teen Depression: Symptoms & Signs

Medically Reviewed on 9/10/2019

Depression is the experience of a sad, hopeless, or blue mood that is beyond the normal experience of sadness. Depression can occur in people of any age, including teens.

Signs and symptoms of teen depression can include irritability, annoyance, sadness, frustration, hopelessness, loss of interest, worthlessness, guilt, low self-esteem, agitation, and alcohol or drug use. The emotional changes can also be accompanied by associated symptoms like tiredness, insomnia, sleeping too much (hypersomnia), appetite changes, slowed thinking, isolation, poor grades, frequent school absences, poor hygiene, suicidal thoughts, difficulty concentrating, sensitivity to rejection, bleak outlook, self-harm, or angry outbursts.

Causes of teen depression

As with many psychological conditions, the cause of teen depression is due to a mixture of genetic factors and environmental influences.

Other teen depression symptoms and signs

  • Agitation
  • Alcohol or Drug Use
  • Angry Outbursts
  • Annoyance
  • Appetite Changes
  • Difficulty Concentrating
  • Frequent School Absences
  • Frustration
  • Guilt
  • Hopelessness
  • Insomnia
  • Irritability
  • Isolation
  • Loss of Interest
  • Low Self-Esteem
  • Poor Grades
  • Poor Hygiene
  • Sadness
  • Self-Harm
  • Sensitivity to Rejection
  • Sleeping Too Much (Hypersomnia)
  • Suicidal Thoughts
  • Tiredness
  • Worthlessness


Depression is a(n) __________ . See Answer

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Kasper, D.L., et al., eds. Harrison's Principles of Internal Medicine, 19th Ed. United States: McGraw-Hill Education, 2015.