Dr. Bailey has said don't take any other herbs with the Humaworm, as it could upset the carefully blended balance and cause adverse effects.
Yes, it's normal to feel them in your throat and all over your body. This is called 'scattering' and it's just the parasites trying to get away from the herbs that are trying to kill them.
Try putting some coconut oil or Noxzema on your skin if it itches too much. They hate these two things. You may see them coming out of your skin if you do this, so don't be frightened. They will be tiny little white balls or white rods or black rods...very tiny.
Feeling things in your throat is very scary. I constantly have the feeling of having hair in my throat. It's horrible.