Your vet may offer special seasonal promotions for heart worm medication or vaccinations. (americanhumane.org)
Otherwise, female dogs that are to be bred should receive worm medication given prior to the birth will help kill the larvae that may infect her puppies. (thesprucepets.com)
Additionally, quality flea and heart worm medications like revolution kills almost all worms along with the fleas and ticks, but they are often more expensive sometimes quite a bit so. (caninejournal.com)