flowerbug
Garden Master
... When an animal is so over loaded with worms, even the worming itself can sicken or kill them. Worms release toxins when they die, which places one in a lose-lose situation. They will die if you worm them, they’ll die if you don’t. But I gotta try.
...
And that is your parasite worm lesson for today!
this is also true of bacterial infections which is why it is important to know the strain of bacteria you have in your system when you get antibiotics. i suspect that is what happened to my nephew.