Dog Ear Infection Signs
Ear infections are one of the top reasons for vet visits. Dogs with floppy ears, allergies, or who swim frequently are especially prone.
Quick Answer
Dog ear infection signs can have several causes. Ear infections are one of the top reasons for vet visits. Dogs with floppy ears, allergies, or who swim frequently are especially prone. See vet within 24-48 hours. Common causes include bacterial infection, yeast overgrowth, allergies (food or environmental).
Possible Causes
Bacteria thrive in warm, moist ear canals, especially in dogs with floppy ears.
Malassezia yeast overgrows in moist ears, causing brown discharge and a yeasty smell.
Allergies inflame ear canals, reducing airflow and allowing secondary infections.
Moisture from swimming or bathing creates an ideal environment for infection.
Tiny parasites cause intense itching and dark, crumbly discharge resembling coffee grounds.
Grass seeds or debris lodged in the ear cause irritation and infection.
Home Care Tips
- Keep ears dry after swimming or bathing
- Clean ears regularly with vet-approved cleaner
- Do NOT insert cotton swabs into the ear canal
When to See the Vet
- Head shaking or tilting
- Scratching at ears persistently
- Redness, swelling, or odor from ears
- Dark or bloody discharge
Prevention Tips
- Regular ear cleaning
- Dry ears after swimming
- Treat underlying allergies
- Regular grooming of ear hair
Other Dog Symptoms
Frequently Asked Questions
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This is for informational purposes only and is not a substitute for professional veterinary advice. Always consult your vet.
Trusted references: Merck Veterinary Manual ยท AVMA Pet Health