Question: She has a swollen left aft leg for over two months with no pain or lhinderance, Blood test show microfilaria as postive. We have given her Heterazan. Is there a more effective medication avaliable? If so which company makes it.
Merial’s Immiticide (when it is available) is the most effective heartworm treatment on the market. The swelling of the leg may be related to thrombosis (blood clot) due to the heartworm disease or treatment.