Global & Disaster Medicine

Tear gas for crowd control in Hong Kong

October 17th, 2019

LANCET

Published: October 14, 2019
DOI: https://doi.org/10.1016/S0140-6736(19)32326-8“…….Over 3000 rounds of tear gas have been deployed as crowd control agents by police since June.

The tear gas used by the police contains o-chlorobenzylidene malononitrile, an irritant that interacts with mucocutaneous sensory nerve receptors, including TRPA1 channels, and causes rapid clinical effects with a wide margin between the incapacitating dose and the lethal dose.

Although brief in duration, clinical manifestations include tearing and burning sensations in the eyes, cough, dyspnoea, skin rashes, blistering, hypertension, nausea, vomiting, and agitation…….”

This entry was posted on Thursday, October 17th, 2019 at 5:15 am and is filed under Chemical Threats, Hazardous Materials (HAZMAT), Riots .
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