I never thought a thing about it until I watched, for the first time, Monsters within me...like Bigpoodleperson. That was the most disgusting show...horrifying! Much worse than this thread, let me tell ya. OMG! Some of those parasites are REEEEEEEEELLY dangerous! And they show all these gruesome videos of the worms squiggling around and through body organs. I mean....sick! I almost lost my lunch. It was spaghetti.
There's one that can be in the soil so they say don't go barefoot and always use garden gloves. I never use gloves because then my fingers aren't nimble enough to pick little weeds and do other things. And barefoot? Yeah, there's some kind of chemical we put out that is on our hands and bottoms of our feet that attract this parasite. I forget...maybe it was that Barbasia Smkie mentioned. Then there's strongyloides. That one seems the creepiest of all.
Strongyloides Stercoralis: eMedicine Emergency Medicine
And here's another one....it looks like it could be found anywhere in the US.
Cryptosporidiosis; The New Enemy: This Dangerous Parasite is Becoming a Common Threat in US.
There's parasites that get into the brain tissue. HORRIBLE!
So, I don't know about taking animal de-wormers. Maybe they're not the right thing for humans...too strong, too weak? I don't know much about it. But maybe it's better to ask a Doctor and get the kind that's just right for people or right for the type of worm that lives in your area. Some don't live everywhere. Those meds can be hard on you too, I think.
LOL. Now we're all paranoid and there's going to be a rash of people going in to their doctors, asking for de-worming. They're going to wonder, WTF?