Whether internal or external, parasites are troublesome pests that can make your dog's life truly miserable. In order to survive, parasites must sponge off your dog, often robbing her of vital nutrients. As if that's not enough, they can cause major health issues and are even capable of transmitting diseases to people and other animals. Whether it's pesky fleas and ticks, troublesome ear mites, or life-threatening heartworms or tapeworms, your dog doesn't have to suffer. Prevention is the key to avoiding parasites, and there are plenty of safe remedies to keep your dog healthy.