Secondary Conditions Hub

Discover which conditions may be claimed as secondary to your service-connected disabilities.

8

Primary Conditions

42

Secondary Relationships

7

Categories

What is Secondary Service Connection?

Under 38 CFR 3.310, you can receive VA disability compensation for conditions that are:

  • Caused by a service-connected disability (proximately due to)
  • Aggravated by a service-connected disability (made permanently worse)

Example: If you have service-connected PTSD and develop sleep apnea, research shows PTSD can cause sleep apnea - making it potentially claimable as a secondary condition.

Mental Health
8 secondary conditions

PTSD

Post-Traumatic Stress Disorder is commonly linked to many secondary physical and mental conditions.

Common Secondary Conditions:

Sleep Apnea Hypertension Migraines/Headaches Gastrointestinal Disorders (GERD, IBS) +4 more
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Neurological
8 secondary conditions

Traumatic Brain Injury (TBI)

TBI often causes multiple secondary conditions that can be rated separately from the TBI itself.

Common Secondary Conditions:

Migraine Headaches Tinnitus Hearing Loss Sleep Apnea +4 more
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Musculoskeletal
5 secondary conditions

Back Condition (Lumbar/Thoracolumbar Spine)

Back conditions commonly cause secondary conditions, especially neurological symptoms in the lower extremities.

Common Secondary Conditions:

Radiculopathy (Lower Extremity) Depression Bowel/Bladder Dysfunction Knee Condition (Secondary) +1 more
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Musculoskeletal
4 secondary conditions

Knee Condition

Knee conditions often lead to secondary conditions in other joints due to altered gait and weight distribution.

Common Secondary Conditions:

Opposite Knee Condition Hip Condition Back Condition Depression
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Endocrine
6 secondary conditions

Diabetes Mellitus Type II

Diabetes causes numerous secondary complications affecting multiple body systems.

Common Secondary Conditions:

Peripheral Neuropathy Coronary Artery Disease Hypertension Kidney Disease (Nephropathy) +2 more
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Respiratory
4 secondary conditions

Sleep Apnea

Sleep apnea causes secondary conditions through chronic oxygen deprivation and sleep disruption.

Common Secondary Conditions:

Hypertension Heart Disease Stroke Depression
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Cardiovascular
4 secondary conditions

Hypertension

Long-term hypertension causes damage to multiple organ systems.

Common Secondary Conditions:

Heart Disease Stroke Kidney Disease Vision Problems
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Ear/Auditory
3 secondary conditions

Tinnitus

Tinnitus can cause or contribute to secondary mental health conditions.

Common Secondary Conditions:

Depression/Anxiety Sleep Disorder Migraines/Headaches
View All Secondary Conditions

How to File a Secondary Service Connection Claim

1

Gather Evidence

Get a medical opinion (nexus letter) linking your secondary condition to your primary service-connected disability.

2

File Your Claim

Submit VA Form 21-526EZ for a new claim or supplemental claim. Clearly state the condition is secondary to your existing disability.

3

Attend Your Exam

Be prepared to explain how your primary condition caused or aggravated the secondary condition. Bring supporting documentation.

Important Disclaimer

This information is for educational purposes only and does not guarantee approval of any claim. Secondary service connection requires medical evidence establishing a link between conditions. Each case is decided individually based on the evidence. Consult with a Veterans Service Organization (VSO) or VA-accredited attorney for personalized guidance.