Major Depression DSM-5 Diagnostic Criteria

According to the DSM-5, an individual must experience five or more symptoms during the same 2-week period, with at least one of the symptoms being either depressed mood or loss of interest or pleasure.

The information provided in this article is intended for general knowledge and informational purposes only, and does not constitute medical advice. It is essential to consult with a qualified healthcare professional for any health concerns or before making any decisions related to your health or treatment.

Understanding Major Depressive Disorder (MDD) and DSM-5 Criteria

Major Depressive Disorder (MDD), as defined by the DSM-5, is characterized by a persistent sad, empty, or irritable mood, accompanied by somatic and cognitive changes that significantly affect an individual's ability to function. To meet the DSM-5 criteria for MDD, an individual must experience five or more of the following symptoms during the same 2-week period, with at least one of the symptoms being either depressed mood or loss of interest or pleasure:

• Depressed mood most of the day, nearly every day
• Markedly diminished interest or pleasure in all, or almost all, activities most of the day, nearly every day
• Significant weight loss when not dieting or weight gain, or decrease or increase in appetite nearly every day
• Insomnia or hypersomnia nearly every day
• Psychomotor agitation or retardation nearly every day
• Fatigue or loss of energy nearly every day
• Feelings of worthlessness or excessive or inappropriate guilt nearly every day
• Diminished ability to think or concentrate, or indecisiveness, nearly every day
• Recurrent thoughts of death, recurrent suicidal ideation without a specific plan, or a suicide attempt or a specific plan for committing suicide

These symptoms must cause clinically significant distress or impairment in social, occupational, or other important areas of functioning. The symptoms must also not be attributable to the physiological effects of a substance or another medical condition.

Causes and Contributing Factors

The exact cause of MDD is complex and not fully understood. It is believed to involve a combination of genetic, biological, environmental, and psychological factors. These can include:

• Family history of depression
• Stressful life events
• Trauma
• Medical conditions
• Certain medications
• Changes in brain chemistry

Treatment Options

Treatment for MDD typically involves a combination of therapy and medication. Common treatment options include:

• Psychotherapy: Cognitive Behavioral Therapy (CBT), Interpersonal Therapy (IPT), and Psychodynamic Therapy
• Medications: Selective Serotonin Reuptake Inhibitors (SSRIs), Serotonin-Norepinephrine Reuptake Inhibitors (SNRIs), Tricyclic Antidepressants (TCAs), and Monoamine Oxidase Inhibitors (MAOIs)
• Other treatments: Electroconvulsive Therapy (ECT), Transcranial Magnetic Stimulation (TMS), and Vagus Nerve Stimulation (VNS) may be considered in severe cases or when other treatments are ineffective.

Preventive Measures and Wellness Strategies

While not always preventable, several strategies can help reduce the risk or severity of depressive episodes:

• Maintaining a healthy lifestyle with regular exercise, a balanced diet, and adequate sleep
• Managing stress through relaxation techniques, mindfulness, and meditation
• Building a strong social support network
• Avoiding alcohol and drug use
• Seeking help early if you notice symptoms of depression

Medically Reviewed by Dr. Julian Voss

Dr. Elias Thorne is a Board-Certified Health Policy Expert with 18+ years of clinical and insurance advisory experience across European healthcare systems. His medical review ensures that every health insight on HealthGlobe meets the highest standards of clinical accuracy and patient safety.