And shouldn't be available OTC, in my opinion.
I've used it too, and happily no more! Enough that we have cans of gasoline in the barn; the right cans, respectfully handled.
And once as a child I had a tooth extracted while 'under' with it. Not so fun at all.
Mary
We had one get into the coop right before the birds were locked into their coop for the evening, it hid behind a door. Thankfully it pigged out on the feed and didn't get around to killing any bird! When I found it in the morning, my 22 took care of it.
ALWAYS check every possible hide out...