Internal parasitic infestation is a common threat to pets irrespective of age, season and place. Roundworms, Tapeworms, Whipworms and Hookworms are the major intestinal parasites that pets get infected with. It is believed that deworming is equally necessary for kittens and puppies as it is for older pets. Veterinarians recommend starting worming treatments for puppies and kittens at the age of 2 weeks and continue treating at the interval of 2 weeks until 12 weeks of age. Adult pets are recommended to be treated every three months. It is important that you know the details about these parasites, how do pets get infested and how to fight them to keep your pets healthy and worm-free.