Complete Dog Grooming Practice Test 2026

When ears show signs of disease, the body is signaling a problem beyond simple dirt. Persistent odor, redness, discharge, swelling, scratching, head shaking, or bleeding all point to inflammation or infection in the ear canal or middle ear. These symptoms suggest conditions such as otitis externa or media, mites, allergies, trauma, or a foreign body. Because these issues involve tissues beyond what you can safely clean at home, veterinary attention is needed to diagnose the exact cause and start appropriate treatment. A vet may perform an exam with instruments, ear swabs for cytology or culture, and possibly imaging, then prescribe targeted medications and give guidance on safe cleaning during recovery.

If there’s only wax buildup with no other signs, or if the ear canal is clean and dry and there’s no itching, these typically do not indicate disease requiring veterinary treatment. No signs of itching generally mean there’s no active irritation or infection at that moment.