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HomeConditionsDepression & Bipolar (Mood Disorders)Bipolar Disorder Due to Another Medical Condition
Mental Health Condition

Bipolar Disorder Due to Another Medical Condition

To define Bipolar Disorder Due to Another Medical Condition: Manic or irritable mood episodes directly caused by another medical illness affecting brain function.

Overview

Description

Bipolar Disorder Due to Another Medical Condition is characterized by a prominent and persistent period of abnormally elevated, expansive, or irritable mood, with or without increased activity or energy, that is judged to be the direct pathophysiological consequence of another medical condition. The mood disturbance can present with manic, hypomanic, or mixed features and is not better explained by another mental disorder.

Prevalence

Exact prevalence is unknown and varies by underlying medical condition. More common in neurological disorders (e.g., multiple sclerosis, epilepsy, traumatic brain injury) and certain endocrine conditions.

Age of Onset

Can occur at any age, depending on the onset of the underlying medical condition.

DSM-5 Code

F06.33 (with manic/hypomanic features), F06.34 (with mixed features)

ICD-10 Code

F06.33/F06.34

By HeyPsych Contributor
Reviewed by the HeyPsych Medical Review Board
Reviewed by the HeyPsych Medical Review Board
Board-certified psychiatrists and mental health professionals
Medical Review Board
Published: August 15, 2025
Last Updated: August 25, 2026
Last Reviewed: August 25, 2026

What This Is

A clear explanation of mood symptoms caused directly by another medical illness.

What It Feels Like

First-person experiences and real-life glimpses of medically induced mood episodes.

Real-Life Stories

Detailed examples showing how medical conditions trigger mood episodes.

Signs and Symptoms

The behavioral, cognitive, and physical changes that characterize medically induced mania.

Early Warning Signs

Red flags that signal a need for immediate help or worsening symptoms.

Why It Happens

How medical conditions and treatments can directly affect mood regulation in the brain.

How It's Told Apart

Understanding the timeline, what it's confused with, and how clinicians make the diagnosis.

This vs. Other Conditions

Plain-language comparisons clarifying how this differs from primary bipolar and other causes.

Treatment and Next Steps

Treatment options, what to expect, common questions, and how to get help.

This information about mental health conditions is for educational purposes only. If you believe you may be experiencing symptoms of a mental health condition, please consult with a qualified healthcare professional for proper evaluation and diagnosis.

Get Support

Seeking Help for Bipolar Disorder Due to Another Medical Condition?

If you recognize these symptoms in yourself or a loved one, know that help is available. Mental health conditions are treatable, and connecting with a qualified professional can make a significant difference.
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