Environmental Medicine

 Iraq and Afghanistan Exposures 2001–2011

Last Updated: November 25, 2024
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  • ​​​'Promise to Address Comprehensive Toxics’ (PACT) Act: The U.S. Department of V​eterans Affairs (VA) expands healthcare and benefits for Veterans exposed to burn pits, Agent Orange, and other toxic substances. The PACT Act provides generations of Veterans – and their survivorsExternal Link​ – ​with care and benefits. Starting March 5, 2024, the VA also expanded its healthcare to millions of Veterans for service years earlier than called for by the PACT Act. File a claim for PACT Act-related disability compensation or apply for VA healthcare now by visiting the VA website​External Link or calling 800-698-2411 (TTY: 711). 

Service m​embers and Veterans who deployed to Iraq and Afghanistan may have been exposed to a range of environmental and chemical hazards that car​ried potential health risks. There​ are unique exposures attributed to the following military operations: 


Exposures of particular focus during these deployments and others include: 

  • ​W​​arfare Agents​External Link: Exposure to chemical and biological weapons during military service have been specifically evaluated and could potentially​​ cause certain health problems in Veterans, depending on several other factors. Types of agents and exposure scenarios and timeframes are described by the VA. This includes certain chem​ical​​ warfare agent exposure ​scenarios during OIFExternal Link​, such as the sulfur​​ mustard blister agents or the nerve agent s​arin. The likelihood of long-term effects from a single CWA exposure is related to the severity of the signs and symptoms at the time of exposure and how long it took for them to develop. 
  • Sand, Dust and ParticulatesExternal Link​: tiny airborne matter that can cause respiratory and other health problems 
  • Infectious DiseasesExternal Link​: nine infectious diseases are associated with military service in Southwest Asia and Afghanistan 
  • Toxic Embedded FragmentsExternal Link​: shrapnel and other metals that remain in the body after injury 
  • Traumatic Brain InjuryExternal Link​: concussions and brain injury often caused by explosions 
  • Mefloquine (Laria​)External Link​: a round, white pill taken to prevent and treat malaria
  • Occupational HazardsExternal Link​: from work​ing with chemicals, paints, and machinery during service
  • Burn PitsExternal Link​: open-air pit waste disposal at military sites
  • Depleted UraniumExternal Link​: uranium used in military tank armor and some bullets
  • NoiseExternal Link​: harmful sounds from guns, equipment, and machinery 
  • RabiesExternal Link: disease transmitted by bite or saliva from an infected warm-blooded animal
  • Heat Injuries​External Link​: health problems that could be caused by extremely hot temperatures 

In addition to the exposures list above, certain location-specific events have also been investigated for exposures that may have resulted in short or long terms impacts to specific units. These include: 


Additional Sour​ces 

NOTE: For VA compensation purposes, Iraq War Veterans with qualifying service are considered Gulf War Veterans​