The venom can kill dogs and cats. It can also cause temporary blindness and excruciating pain in people if the poison gets into the eyes or mouth.
VOA: standard.2010.02.07
"It was a five-minute speech, and he needed to fortify himself with whiskey in order to get through thepain that he was feeling" from the heart failure that would kill him months later, she said, noting Roosevelt also canceled the traditional inaugural parade that year.