1. Am I going to give my horse a medicine (wormer) for parasitic worms?
2. How do I know that my horse has worms?
3. How do I know that it is the right medicine (wormer) for the worms that my horse has?
4. How do I know the medicine (wormer) is working?
5. Would I take a medicine for a parasite I did not know I had?
IW makes sure you know the answers to these!