Tear gas exposure can cause a range of symptoms, including:
Eyes: Excessive tearing, burning, blurred vision, redness, inflammation, and spasmodic blinking
Nose: Runny nose, burning, and swelling
Mouth: Burning, irritation, difficulty swallowing, and drooling
Lungs: Chest tightness, coughing, choking sensation, wheezing, and shortness of breath
Skin: Burns, rash, redness, pain, and blistering
Other: Nausea, vomiting, panic, and agitation
Symptoms usually begin within 20–60 seconds of exposure. Most symptoms resolve within 30 minutes if the person can leave the area and clean off. However, prolonged exposure can lead to long-term eye and breathing problems.
I was hit by tear gas when me and my girlfriend at the time were walking down the street and all of a sudden we heard windows breaking and walked around a corner to see what was happening. As we stood there watching chairs fly through windows at a gay bar, a canister came flying out, landed about 20 feet from. Us, spinning around and shooting out gas. The wind caught the gas and the next thing we knew, our eyes were still going badly, tears welled up, a bit hard to breathe.
We were able to get away quickly, so didn’t get bad symptoms, but the barfolks came rushing out choking, gagging, throwing up. I didn’t notice any skin burns though on folks, but lots of breathing problems
The fact that thefolks didn’t have breathing g problems at pres Trumps rally would indicate that something other than tear gas was used.