You probably needed a much stronger dose. If they scattered, it was because they were trying to get away from what was poisoning them. They moved into an area of your body where you were not likely to be so saturated with the humaworm as your stomach is after taking some.
I'd do some enemas, then make some strong humaworm tea, take an infusion and hold it for as long as possible. Do this a couple of hours after taking a really big dose. I do not recommend quadruple dosing for everyone, because some people don't have the constitution for killing parasites. They would be better off taking anti-psychotics, which send parasites into a dormant state, so they stop multiplying and stop bothering you.