A chemical (such as sulfur mustard) that produces local irritation and damage to the skin and mucous membranes that progresses in severity to fluid-filled blisters on skin. This chemical can cause damage by exposure to liquid or vapor inhalation (IH). It can also produce damage to the respiratory tract.

a chemical warfare agent that produces local irritation and damage to the skin and mucous membranes, pain and injury to the eyes, reddening and blistering of the skin, and when inhaled, damage to the respiratory tract

A chemical agent, also called a vesicant, which causes severe blistering and burns to eyes, skin, and tissues of the respiratory tract.  Exposure is through liquid or vapor contact.  Also referred to as mustard agents; Examples include mustard and lewisite.

a chemical agent that injures the eyes and lungs, and burns or blisters the skin.

see vesicant agent.

A blister agent (also known as a vesicant) is a chemical compound that causes severe skin, eye and mucosal pain and irritation. They are named for their ability to cause large, painful water blisters on the bodies of those affected. Although these compounds have been employed on occasion for medical purposes, their most common use is as chemical warfare agents.