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Teen Depression
Reviewed by Medicinsk Expert•Last updated: 2026-10-22•Mental Health Behavior

Teen Depression

Depression in teens is a serious medical illness characterized by persistent feelings of sadness, hopelessness, and frustration that interfere with daily life.

What is depression in teens?

Depression in teens (ages 13-17) is a serious medical illness. It is more than just a feeling of being sad or "blue" for a few days; it is an intense feeling of sadness, hopelessness, and anger or frustration that lasts much longer. These feelings make it hard to function normally, focus, or find motivation. Depression can make it difficult to enjoy life or even get through the day.

Causes & Risk Factors

Many factors may play a role in depression, including:

  • Genetics: Depression can run in families.
  • Brain biology and chemistry.
  • Hormones: Hormone changes can contribute to depression.
  • Stressful childhood events: Such as trauma, the death of a loved one, bullying, and abuse.

Certain teens are at higher risk, including those who have other mental health conditions (anxiety, eating disorders, substance use), chronic diseases (diabetes, cancer, heart disease), family conflict, or learning disabilities like ADHD.

Symptoms

If you have depression, you may experience one or more of these symptoms most of the time:

  • Sadness, emptiness, or hopelessness.
  • Being angry, irritable, or frustrated, even at minor things.
  • No longer caring about things you used to enjoy.
  • Changes in weight or sleep patterns.
  • Feeling restless, very tired, or lacking energy.
  • Feeling worthless or very guilty.
  • Trouble concentrating, remembering information, or making decisions.
  • Thinking about dying or suicide.

Diagnosis

If you think you might be depressed, tell someone you trust, such as a parent, guardian, teacher, counselor, or doctor. A doctor will perform a checkup, including a physical exam and lab tests, to rule out other health problems. If no other health problem is found, you will undergo a psychological evaluation to discuss your thoughts, feelings, school performance, and any potential risks.

Treatment & Management

Effective treatments include talk therapy, or a combination of talk therapy and medicines.

Talk Therapy

Also called psychotherapy or counseling, this helps you understand and manage your moods. Common types include:

  • Cognitive behavioral therapy (CBT): Helps identify and change negative thoughts and build coping skills.
  • Interpersonal therapy (IPT): Focuses on improving relationships and working through issues like grief or life changes.

Medicines

Doctors may suggest antidepressants. It is important to know that these medications take time to work (3 to 4 weeks) and may require adjustments to find the right dose. Note: In some cases, teenagers may have an increase in suicidal thoughts or behavior when starting antidepressants. Tell your parents or guardian immediately if you feel worse. Never stop taking antidepressants on your own; work with your doctor to safely decrease the dose.

Programs for Severe Depression

Some teens may require intensive treatment, such as psychiatric hospitalization or day programs, which offer counseling and group activities with mental health professionals.

Frequently Asked Questions

Immediate emergency care is required if a teen expresses thoughts of suicide, makes a plan to harm themselves, or gives away prized possessions as if saying goodbye. Even if the teen denies active intent, any mention of death or self-harm should be treated as a crisis. In these situations, call 911 or take the teen to the nearest emergency room immediately. Do not leave the teen alone, and remove access to firearms, medications, or other potential means of self-harm while waiting for help.
Diagnosis in teens involves a comprehensive approach to rule out physical causes of symptoms. A doctor will typically perform a physical exam and order lab tests, such as thyroid function tests or complete blood counts, because conditions like hypothyroidism or anemia can mimic depression symptoms. Additionally, clinicians use standardized screening tools designed for adolescents to assess mood, anxiety, and risk factors, while also evaluating for co-occurring conditions like ADHD or substance use, which are more prevalent in this age group.
While mood swings are common in teens, depression is characterized by a persistent change in behavior that lasts for at least two weeks. Key differentiators include a significant drop in academic performance, withdrawal from previously enjoyed social activities or hobbies, and a marked change in sleep or appetite patterns. Unlike fleeting sadness, depressive irritability is often intense, disproportionate to the trigger, and accompanied by feelings of worthlessness or hopelessness that do not resolve with typical comfort or distraction.
For resistant teens, starting with low-stigma, structured interventions like cognitive behavioral therapy (CBT) or interpersonal therapy (IPT) can be effective. These approaches focus on practical skills for managing thoughts and relationships rather than deep emotional exploration. If medication is considered, selective serotonin reuptake inhibitors (SSRIs) are often the first line of treatment, but they must be closely monitored by a psychiatrist for potential side effects, including increased suicidal ideation in the first few weeks. Engaging the teen in the decision-making process and setting short-term, achievable goals can improve adherence to treatment.
Source: MedlinePlus, National Library of Medicine

MedlinePlus brings together authoritative health information from the National Library of Medicine (NLM), the National Institutes of Health (NIH), and other government agencies and health-related organizations.

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