Transmitted just by a mosquito bite, heartworms are potentially deadly parasites. Heartworms can affect your dog’s body if left untreated or unprotected. But, the good thing to know is that heartworms are preventable. Therefore, it is imperative for pet parents to choose suitable heartworm treatment for their pooch from an abundance of products available in the market. Interceptor and Sentinel are highly effective treatments to protect your pet from heartworms. Here’s is all you need to know about Interceptor Spectrum and Sentinel Spectrum for dogs.