Please, please target the whole body.
Humaworm says this too.
they will run from the poison
Lure them in as you go for the kill will help.
They too, are similair to catching mice..bait/trap kill..did you get them all...no.
Think outside the box.
I am sorry to admit for most of us..these beast within can be resistant to meds and others.
Switch course..build your own defense..your own army...your body, your cells, mycotoxins, foods, read read read and put your foot forth.