Toxic Exposure & Presumptive Conditions
Gulf War Illness — Undiagnosed Illness & Presumptive Conditions
PACT Act recognized
Many Gulf War veterans returned with chronic, medically unexplained symptoms. VA recognizes Gulf War Illness — including undiagnosed illnesses and chronic multisymptom conditions — as presumptively service-connected for those who served in the Southwest Asia theater.
Who's covered
VA recognizes exposure for service in these locations and time periods:
Gulf War Illness (Southwest Asia) - Undiagnosed Illness & MUCMI
from August 2, 1990Veterans of Southwest Asia theater (on or after Aug 2, 1990) with chronic undiagnosed illness or MUCMI of 6+ months duration may receive a presumption of service connection.
Gulf War Illness (Afghanistan) - Infectious Diseases
from September 19, 2001Veterans who served in Afghanistan after Sep 19, 2001 are presumed service-connected for certain infectious diseases. Diagnosis generally required within 1 year of separation (tuberculosis and visceral leishmaniasis have no time limit).
Presumptive conditions (14)
If you have a qualifying diagnosis and the service above, VA presumes these are connected to your exposure — you don't have to prove causation:
Chronic fatigue syndromeFibromyalgiaFunctional gastrointestinal disordersMedically unexplained chronic multisymptom illness (MUCMI)Undiagnosed illness with cardiovascular, muscle/joint, headache, neurological, neuropsychological, skin, respiratory, sleep, GI, or urological signsBrucellosisCampylobacter jejuniCoxiella burnetii (Q fever)MalariaMycobacterium tuberculosisNontyphoid SalmonellaShigellaVisceral leishmaniasisWest Nile virus
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What you need to file
- DD-214 — Establishes Gulf War-era service
- Personnel records / orders — Confirms Southwest Asia theater
- Medical records showing 6+ months symptom duration — Required for MUCMI / undiagnosed illness presumption
- Medical diagnosis within 1 year of separation — Required for most infectious diseases
How to file
File a disability claim for your diagnosed condition and note the exposure. The usual path: lock your date with an Intent to File, get a current diagnosis, gather your service records, and prepare for your C&P exam. If service connection isn't obvious, a nexus letter can help.
Legal authority & sources
38 CFR 3.317; PACT Act 2022 (Pub.L.117-168)
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Common questions
What conditions are presumptive for Gulf War Illness?
VA recognizes 14 presumptive conditions, including Chronic fatigue syndrome, Fibromyalgia, Functional gastrointestinal disorders, Medically unexplained chronic multisymptom illness (MUCMI). With qualifying service you don't have to prove the connection.
Who qualifies for Gulf War Illness benefits?
You generally need qualifying service in a recognized location and time period (listed above), a current diagnosis, and a discharge that isn't dishonorable.
Is Gulf War Illness covered under the PACT Act?
Yes. This exposure is recognized under the PACT Act, which expanded presumptive conditions and eligibility for toxic-exposed veterans.
How do I file an exposure claim?
File a disability claim listing your condition and exposure. Start with an Intent to File to lock your effective date, get a current diagnosis, and bring your service records. The VA Ready app and guides walk you through each step.
Presumptive conditions, eligible locations, and dates are summarized from VA.gov and the cited authorities and can change. Always confirm current eligibility at VA.gov or with a VA-accredited representative. VA Ready is not affiliated with the U.S. Department of Veterans Affairs, and this page is not legal or medical advice.