Common Internal Parasites in Dogs and Cats: Identification and Control

Internal parasitic infections are among the most prevalent and clinically significant issues affecting companion animals worldwide. Dogs and cats are particularly vulnerable to a range of helminths and protozoa that can lead to various gastrointestinal, respiratory and systemic disorders. This article provides an overview of the most common internal parasites affecting dogs and cats, clinical manifestations, diagnostic methods and evidence-based control strategies.