Originally posted by 4 Dog Mother

I didn't know the pills gave protection against more types of worms. Dazzi and Jack are due for their heartworm next week so i will check with teh vet about that for sure. And maybe I will switch to the pills anways.
I don't know how much more it may cost, but maybe you could use the injections and then worm the dogs once or twice a year, at least until you are sure things are under control with Jack.