Without healthy paws, a dog's life gets a little... limited. Running, walking, or even just 'going outside' can be painful.
If your dog has a paw infection or a paw injury, look into something to speed healing along.
And for dog nail care, keep your dog's nails trimmed. Naturally, a dogs nails would get worn down from everyday activities. Today, pet owners have to keep dog nails trimmed and comfortable through cutting, clipping, or grinding.