Iverhart Max is another heartworm pill available for dogs only. Available through PetMeds, the chewable pill has a pork liver cereal flavor with a bit of artificial beef helps when it comes time to get a dog to actually take their medicine. Iverhart Max treats heartworm disease, roundworms, hookworms and tapeworms.

In addition to sponsoring PetHealth101, PetMeds offers consumers access to specially-trained veterinary pharmacists, pharmacy technicians and customer care specialists that will work together to meet the needs of its consumers.