| At the vets office where I volunteer if your dog is off heartguard than they definitely test before having the dog put back on. I believe I heard that if they have heartworms and take the medicine it can kill them. I would have it tested just to be sure.
__________________ The ones who brighten my life:
Athena 2 yr old rottweiler
Loki 2 year old English Mastiff Rescue
Ares 2 1/2 years Rainbow Bridge
My wonderful Husband
"A house is not a home until it has a dog." Gerald Durrell |