
Mustard gas or lewisite exposure | veterans affairs
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You can file a claim online now. You can also file by mail, in person, or with the help of a trained professional. File for disability compensation online Learn about other ways to file a
disability compensation claim NOTE: You have to claim an actual disease or disability. It’s not enough to state that you were exposed to mustard gas or lewisite during service. You’ll need
to apply based on the illnesses believed to be caused by your contact with one of these chemicals. When you send in your claim, be sure to share any military records that show you had
contact with blistering agents.