What causes swollen dog paws?
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Expert Answer
Swollen paws can have many causes: 1) external stimulation and sprain. A hind-leg sprain or other impact can impair local circulation and cause swelling; older, painful dogs should get imaging to check for osteoarthritis.
2) Interdigital dermatitis from damp, unclean feet and bacterial infection. 3) Bacterial or fungal infection thriving in damp environments or undried paws. Overall, treatment should follow the vet’s advice.