Tear gas
Tear Gas
Tear gas (/tɪər gæs/), also known as lachrymator agent or lachrymator (/lækˈrɪmətər/), is a chemical weapon that causes severe eye and respiratory pain, skin irritation, bleeding, and even blindness.
Etymology
The term "tear gas" was coined in the early 20th century as a reference to the substance's ability to produce tears. The term "lachrymator" comes from the Latin lacrima, meaning "tear".
Types of Tear Gas
There are several types of tear gas, including:
- Chloroacetophenone (CN)
- Chlorobenzylidenemalononitrile (CS)
- Dibenzoxazepine (CR)
- Oleoresin Capsicum (OC or pepper spray)
Effects
Tear gas works by irritating mucous membranes in the eyes, nose, mouth and lungs, and causes crying, sneezing, coughing, difficulty breathing, pain in the eyes, and temporary blindness.
Treatment
Treatment for tear gas exposure includes immediate removal from the affected area, removal of contaminated clothing, and washing the affected area with soap and water.
Legal Status
The use of tear gas in warfare is prohibited by various international treaties, including the Chemical Weapons Convention. However, its use in domestic law enforcement is not universally banned.
See Also
External links
- Medical encyclopedia article on Tear gas
- Wikipedia's article - Tear gas
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