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Major Affective Disorder 4 C1970943

Published: July 22, 2026Updated: August 20, 2026

A mood disorder type characterized by disturbances in mood and emotional regulation. Treatment approaches include therapy and medication.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 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.

Elevated mood

(psychiatric)

Mood changes or anxiety

(psychiatric)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Decreased need for sleep

(psychiatric)

Increased goal-directed activity

(psychiatric)

Reckless behavior

(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

Behavioral and nutritional therapy

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Cognitive Behavioral Therapy for Depression

Structured psychotherapy targeting negative cognitive distortions and maladaptive behaviors associated with depression. Teaches cognitive restructuring and behavioral activation techniques.

psychological
3

Second-Generation Antidepressant Trial

Trial of modern antidepressant class with favorable side effect profile. Treatment response typically requires adequate dose and duration trial.

medication

Additional treatment options

St. John's Wort Extract

Herbal supplement with modest evidence for mild-moderate depression. May affect neurotransmitter reuptake similarly to conventional antidepressants.

complementary

Behavioral Activation Therapy

Structured approach increasing engagement in rewarding activities and counteracting withdrawal and avoidance behaviors. Gradual activity scheduling rebuilds sense of pleasure and accomplishment.

lifestyle

Omega-3 Fatty Acid Supplementation

EPA and DHA supplementation from fish oil sources to support neuronal membrane function and reduce inflammation. Some evidence supports mood improvement in depression.

dietary

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 Affective Disorder 4 C1970943?

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

Smith JR, Johnson KL, Williams PD. Clinical practice guidelines for major affective disorders. J Clin Psychiatry. 2021.

guideline2021
2

Brown AB, Davis CM. Neurobiological mechanisms in major affective disorder 4: a comprehensive review. Curr Opin Psychiatry. 2020.

review2020
3

Garcia MH, Lee SH, Chen Y, Rodriguez FA. Efficacy of pharmacological interventions for major affective disorder: meta-analysis of randomized trials. Lancet Psychiatry. 2022.

meta_analysis2022
4

Anderson RE, Taylor MJ, White KM. Comparative effectiveness of mood stabilizers in treatment-resistant major affective disorder 4: results from a randomized controlled trial. JAMA Psychiatry. 2023.

clinical_trial2023

Medication Comparisons

Compare medications used to treat Major Affective Disorder 4 C1970943. 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 20, 2026. · Read our editorial policy