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Major Depressive Disorder 2 C1837529

Published: July 22, 2026Updated: August 27, 2026

This form of depression involves prolonged feelings of sadness and emptiness. Treatment typically includes psychotherapy, antidepressants, or combination therapy along with support.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 27, 2026Editorial policy

Key facts at a glance

ICD-10
F99
ICD-11
6A00.0
Body system
psychiatric
Severity
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Suicidal ideation

Mood changes or anxiety

(psychiatric)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Depressed mood

(psychiatric)

Hypersomnia

(psychiatric)

Weight gain

(psychiatric)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Dietary counseling and physical activity plan

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

SNRIs (Serotonin-Norepinephrine Reuptake Inhibitors)

Dual-action antidepressants that increase both serotonin and norepinephrine levels. Particularly useful when fatigue or low energy accompanies depressive symptoms.

medication
3

Interpersonal Therapy (IPT)

Brief focused psychotherapy addressing interpersonal relationships and social roles that may contribute to depression. Emphasizes improving communication skills and resolving conflicts.

psychological

Additional treatment options

Mindfulness-Based Stress Reduction

Structured program combining mindfulness meditation, body awareness, and gentle yoga. Reduces rumination and emotional reactivity while promoting present-moment awareness.

complementary

Sleep Hygiene Optimization

Behavioral interventions establishing consistent sleep-wake cycles, limiting screen exposure before bed, and creating optimal sleep environment. Addresses circadian rhythm disturbances common in depression.

lifestyle

Collaborative Care Monitoring

Regular coordination between primary care and mental health specialists with systematic follow-up protocols. Includes patient tracking, outcome measurement, and care coordination.

monitoring

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Major Depressive Disorder 2 C1837529?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

American Psychiatric Association. Practice Guideline for the Treatment of Patients with Major Depressive Disorder, Third Edition. Am J Psychiatry. 2021;173(Supplement 1):1-152.

guideline2021
2

Cipriani A, Furukawa TA, Salanti G, Chaimani A, Atkinson LZ, Ogawa Y, et al. Comparative efficacy and acceptability of 21 antidepressant drugs for the acute treatment of adults with major depressive disorder: a systematic review and network meta-analysis. Lancet. 2018;391(10128):1357-1366.

meta_analysis2018
3

Daly EJ, Trivedi MH, Janik A, Li H, Zhang Y, Li X, et al. Efficacy of Adjunctive Intranasal Esketamine in Treatment-Resistant Depression: A Randomized Clinical Trial. JAMA Psychiatry. 2019;76(9):893-903.

clinical_trial2019
4

Otte C, Gold SM, Penninx BW, Pariante CM, Etkin A, Fava M, et al. Major Depressive Disorder. Nat Rev Dis Primers. 2016;2:16065.

review2016

Medication Comparisons

Compare medications used to treat Major Depressive Disorder 2 C1837529. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 27, 2026. · Read our editorial policy