3. Redness Inside the Ear
Healthy dog ears should be:
- Pale pink
- Clean
- Odor-free
Signs of trouble include:
- Bright red or inflamed ear canals
- Swelling
- Warmth
If the ear looks angry or irritated, an infection may already be forming.
4. Unusual Smell from the Ear
A strong smell is a big red flag.
Common descriptions:
- Yeasty or musty
- Sour
- Rotten
VCA Animal Hospitals explains that odor is one of the most reliable early signs of ear infections, especially yeast-related ones.
5. Discharge or Buildup
Check for:
- Brown, yellow, or black discharge
- Thick wax buildup
- Crusty residue around the ear opening
This means the infection is progressing and needs attention.
5 Early Signs of Skin Infections in Dogs
Skin infections can be easier to miss because fur hides the problem.
1. Excessive Scratching, Licking, or Chewing
If your dog:
- Licks one spot repeatedly
- Chews paws
- Scratches nonstop
This is often the first clue something is wrong.
According to the American Veterinary Medical Association (AVMA), persistent itching is not normal behavior.