What is Deworming?
Periodic administration of medication to prevent and treat intestinal worms, recommended on a regular schedule throughout a pet's life.
Deworming is the administration of medications (dewormers/anthelmintics) that eliminate or prevent infestation by intestinal worms, such as hookworms, roundworms, and tapeworms. It is one of the most important preventive measures in the routine care of dogs and cats, since intestinal worm infections are extremely common, especially in puppies and kittens, and several of these worms also pose a zoonotic risk to humans, particularly children.
The schedule usually starts in the first few weeks of a puppy's or kitten's life, with repeated doses every 2 weeks until around 3 months of age (a period when exposure to worms transmitted through the mother's milk and the environment is highest), followed by monthly doses until 6 months, and then periodic boosters throughout adult life — the exact frequency varies depending on the product used, the pet's lifestyle (outdoor access, contact with other animals), and veterinary guidance.
Broad-spectrum dewormers cover the most common parasites, but the choice of product and ideal frequency should be made with a veterinarian, also taking into account other preventive measures, such as flea control (a tapeworm vector) and environmental hygiene. Keeping deworming up to date is especially important for puppies and kittens, pregnant females (some worms pass to offspring through the placenta or milk), and pets with access to soil or contact with the feces of other animals.
Important notice
This calculator is for educational purposes and does not replace a veterinary evaluation. When in doubt, consult a veterinarian.Related terms
Intestinal Worms
An infestation of intestinal parasites (such as hookworms, roundworms, and tapeworms), very common in puppies and kittens, that can cause diarrhea, vomiting, and stunted growth.
Giardia
A common intestinal infection caused by a microscopic protozoan parasite, spread through contaminated water or food, and one of the leading causes of diarrhea in puppies and kittens.
Ectoparasite
A parasite that lives on the surface of an animal's body, such as fleas, ticks, and mites, which can cause itching, allergies, and transmit other diseases.