Once a dog has heartworm, it can be treated, but the treatment is costly, painful, and dangerous. Lynn had already been treated at the shelter with her first injection of melarsomine, an organic arsenical chemotherapy agent used to kill heartworms. Dogs with heartworm typically have three melarsomine injections, spaced out by 4-6 weeks to ensureContinue reading “Heartworm stinks…so does the treatment”