If you want to be able to help people with asthma/reactive airway conditions who can’t breathe after tear gas, Primatene Mist inhalers are available over-the-counter and are better than nothing.
If you want to stop extremity hemorrhage, read up on CAT tourniquet use, get some, and practice with them a bit (don’t tighten the windlass, or they won’t work as well next time).
If you want to get irritant agents off of skin/eyes, use plain tap water, lots of it. Do NOT add anything to it.
If you want to treat cold injuries (frostbite), you need to know if you can get the patient off scene and into long-term warming. Do NOT thaw someone’s frozen hands/fingers if they are going to immediately freeze them again. Repeated freezing causes far more injury.
Wrap frozen fingers/toes in a clean dressing, and protect them.
For warming, use lukewarm water or body heat if possible. Hot air can cause burns if you aren’t VERY careful. Rewarming is extremely painful. Be ready.
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