What You Should Know Before Switching Your Dog to an Annual Heartworm Shot
by A.A. Newton from Lifehacker on (#5T7WH)

Heartworm disease is a potentially deadly condition that requires extensive treatment-think multiple medications and at least two months of complete rest-which is why veterinarians and dog owners work so hard to prevent it. The most common preventative treatment is an oral or topical medication given once a month, but...