( 1 ) The effects of mustard gas exposure include the reddening and blistering of skin, and, if inhaled, will also cause blistering to the lining of the lungs, causing chronic
[bristol.ac.uk]
Effects Burns skin, mucous membranes and eyes; blisters skin, windpipe, and lungs Blood agents These agents inhibit the ability of blood cells to use and transfer oxygen,
[opcw.org]
Skin: redness and itching of the skin may occur 2 to 48 hours after exposure and may eventually change to yellow blistering of the skin.
[mashable.com]