What signs indicate an ear infection that requires veterinary attention, and how should grooming ears be cleaned?

• A. Do not clean the ears at all unless there are signs of infection.
• B. Signs include redness, odor, discharge, head shaking, and scratching; do not insert swabs into the ear canal; clean only the outer ear with an approved solution following product directions.
• C. Ear infections never require veterinary attention.
• D. Use cotton swabs to clean deep into the ear canal.

Answer: (B)