Help! My Dog Doesnt Chew Food Furtropolis If the dog or cat is taking a preventive medication, the larvae will not be able to develop into adults and the pet will not become infected. Proteins themselves are the components of foods that pets may be allergic to. If a pet has a mild allergy to a particular ingredient, it would make sense that the allergy symptoms would become worse when the pet is exposed to higher levels of this ingredient. …
