Taking castor oil internally might do it. It's touted as being able to do it. Otherwise, you're eating too close to the time you take the Zymex 11. Leave at least a 2 hour window on both sides of taking it. Otherwise, you'll be digesting your food with it instead of the tapeworm.
That stuff from Standard Process, or Zymex 11, is all natural ficin from figs and will not hurt you.