I believe the toxicity of Phosgene is more of a corrosive effect than being poisoned by something like snake venom. It chemically reacts with the tissue in your

I believe the toxicity of Phosgene is more of a corrosive effect than being poisoned by something like snake venom. It chemically reacts with the tissue in your lungs rather than interfering with specific biochemical reactions, so you can’t really manufacture an antidote. Just like how there isn’t an antidote for chlorine gas.