Ear Mites (Otodectes cynotis)

Ear mites, scientifically known as Otodectes cynotis, are common external parasites that infest the ear canals of cats, dogs, and other animals. These microscopic mites feed on skin debris and ear wax, causing significant irritation and inflammation. The most prominent symptom is intense itching, leading pets to scratch their ears, shake their heads, and often develop secondary skin infections around the ears due to self-trauma. A characteristic sign of ear mite infestation is a dark, crumbly, coffee-ground-like discharge in the ear canal, which is a mixture of wax, blood, and mite debris. Ear mites are highly contagious and can easily spread between pets through direct contact. Diagnosis involves examining ear swab samples under a microscope. Treatment typically includes ear cleaning and specific ear mite medications, usually applied topically or as a spot-on treatment, often for several weeks.