Questions involving pests, vermin and other organisms that feed and live on/in pets and whose presence causes harmful effects. Please include relevant species tag of your pet, such as "cats", and any useful details about the parasitic infection being in the concern - description of symptoms (weight loss, prolonged fever, vomiting, diarrhea, etc.) and the medical record of events relevant to the parasitic infection.

Parasites can include fleas, ticks, worms, mites, protozoa and any other creature that depends upon your pet for sustenance, to the detriment of the health and/or comfort of the pet.