Clean the puncture out well with hydrogen peroxide, and cover immediately with a sterile bandaid. They aren't poisonous, merely dirty!

Germaline is safer than Hydrogen peroxide for anyone in Britain who is damaged by a plant.

That's a new name to me, Ob: I'll have to look it up. The best stuff I've used was Hibiclens, but that was left over from surgery this summer. I don't know if it's available over the counter--or how much it costs!

Or Savlon, just as good as anything as a germicide.
Many things available in USA are not in Britain.