4. Lethargy or Sudden Behavior Changes
What to Watch:
- Lying around more than usual
- Uninterested in toys, food, or people
- Aggression, hiding, or sudden clinginess
What It Might Mean:
- Pain, infections, poisoning, or chronic diseases like hypothyroidism
When to Call the Vet:
- Lethargy lasts more than 24 hours
- Behavioral changes are sudden or extreme
5. Limping or Difficulty Moving
What to Watch:
- Refusal to put weight on one leg
- Stiffness, especially after resting
- Trouble climbing stairs or jumping
What It Might Mean:
- Sprain, arthritis, hip dysplasia, cruciate ligament injury
When to Call the Vet:
- Limping that doesn’t improve in 24 hours
- Yelping, shaking, or favoring a limb
Related Article: 10 Vet-Approved Dog Supplements for Joints
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6. Excessive Scratching, Licking, or Skin Issues
What to Watch:
- Constant scratching, biting, or licking one area
- Bald spots, rashes, scabs, or hot spots
- Redness, swelling, or odor
What It Might Mean:
- Allergies, fleas/ticks, skin infections, mange, or hormonal imbalances
When to Call the Vet:
- If the skin is bleeding, raw, or infected
- If scratching disrupts sleep or eating