What if your 5 year old shih tzu has black flaky skin patches what are they and what can you do?

Black flaky skin patches on your 5-year-old Shih Tzu could indicate several issues, including Allergies, fungal infections, or even skin parasites. It's essential to consult a veterinarian for an accurate diagnosis and treatment plan. In the meantime, ensure your dog is on a balanced diet, maintain good hygiene, and consider using a gentle, hypoallergenic shampoo. Avoid self-treating, as the underlying cause needs professional evaluation.