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LEWISITE

L. LEWISITE. Stored only at Deseret Chemical Depot in Tooele, UT Causes immediate pain and redness upon skin or eye contact unlike sulfur mustards. CA167. INHALATION EXPOSURE OF LEWISITE. Vapor causes immediate irritation of upper respiratory tract May cause sneezing

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LEWISITE

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  1. L LEWISITE • Stored only at Deseret Chemical Depot in Tooele, UT • Causes immediate pain and redness upon skin or eye contact • unlike sulfur mustards CA167

  2. INHALATION EXPOSUREOF LEWISITE • Vapor causes immediate irritation of upper respiratory tract • May cause sneezing • In severe cases, abnormal accumulation of fluid in lungs and seepage of fluid between layers of membrane lining chest cavity • Mucous secretions are common and more likely CA168

  3. DIRECT CONTACT EXPOSUREWITH LEWISITE • Liquid Lewisite causes immediate severe pain upon contact with eyes and skin • Eyes can be severely damaged • immediate stinging pain • twitching of eye muscles • swelling of inner surface of eyelids and inflammation of iris may close eye within 1 hour • corneal damage may occur CA169

  4. DIRECT CONTACT EXPOSUREWITH LEWISITE • Eye swelling subsides within hours • Mild inflammation of eyelids may heal in few days without special treatment • Severe exposure may cause permanent injury or blindness CA170

  5. DIRECT CONTACT EXPOSUREWITH LEWISITE • Liquid Lewisite produces more severe skin lesions than sulfur mustard • Blistering over entire exposed area follows skin reddening • Deeper injury to connective tissue and muscles, greater blood vessel damage, more inflammation • Dead, gray skin will be noted within minutes after contact with liquid or vapor CA171

  6. DIRECT CONTACT EXPOSUREWITH LEWISITE • Pain is immediate • becomes deep and aching • itching and irritation persist for a day • blisters develop fully in 1/2 of time as sulfur mustard • Systemic poison to liver and kidneys • at large doses • Does not damage blood-producing tissues CA172

  7. INITIAL FIRST AID TREATMENTFOR LEWISITE EXPOSURE • Immediate decontaminate to avoid deep burns from liquid exposure • BAL ointment antidote for Lewisite no longer manufactured CA173

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