I have personally had two experiences with successfully using a modified stun gun to treat venomous bites and stings. This experience using a modified stun gun was on a bunch of angry hornet stings. I was weeding with a hoe in a citrus orchard in Northern California where the branches of the trees were low to the ground and my head was bent down towards the ground to avoid the branches while I worked. All of a sudden I felt my head being pricked by multiple sharp needle like things.  At first I thought it was the thorny tree branches I was bending over to avoid as I weeded, but as I backed up and felt 5 to 7 additional jabs and I discovered I was being attacked by a nest of hornets that were emerging from a hole in the ground I had just disturbed.

I ran back to my house, pulling the hornets out of my hair and found my wife. I needed her help because I was pretty sure I would not be able to pull the trigger of the modified stun gun to stun my own scalp!  You really have to have a lot of love and trust in the person that is going to run electrical current into your head, right?!  But I knew the result would be the quick relief of pain and swelling. The results were again successful (my first experience was using this when stung by a scorpion). Within an hour I was feeling good and by that evening I only had to deal with a few stingers that had been left behind.