Assessment and Differential Diagnosis of Major Depressive Disorder in Adolescents

Diagnostic Criteria and High Suicide Risk Factors

The American Academy of Child and Adolescent Psychiatry notes that adolescents with Major Depressive Disorder (MDD) are at high risk for suicide, with risk factors including recent suicide attempt, detailed planning, and persistent suicidal ideation 1, 3
Patients with MDD are 8.62 times more likely to die by suicide compared to the general population, with risk peaking in the first year after discharge 4
The American Academy of Pediatrics recommends that suicidal thoughts or comments should never be dismissed as unimportant, even when the patient currently denies active ideation 2
Children and adolescents systematically overestimate lethality of methods, meaning that attempts with low medical danger can still represent serious suicidal intent 1, 3

The American Academy of Child and Adolescent Psychiatry emphasizes considering MDD first in children with rapid mood shifts, rather than diagnosing Borderline Personality Disorder 7
Comorbid Generalized Anxiety Disorder can significantly elevate suicide risk and predict poorer treatment response in adolescents with MDD 2
Post-Traumatic Stress Disorder (PTSD) features, including physical and emotional abuse, can contribute to the development of MDD and increase suicide risk 1, 6

The American Academy of Child and Adolescent Psychiatry warns against dismissing suicidal statements or overlooking lethality misjudgment in adolescents with MDD 1, 3
Recent hospitalization does not provide protection against suicide risk, and the first year post-discharge is the highest-risk period 4
Ongoing stressors, such as unresolved custody conflict with an abusive mother, can represent acute, ongoing suicide risk 1