Keep the skin on the nose moist: Check the skin on the underarms and on the back near the base of the tail. Those are the ...

These are benign, meaning not cancerous. Fewer than half of lumps and bumps you find on a dog are malignant, or cancerous. Still, they can look the same from the outside, so it’s hard to tell.

And if your nose becomes infected, it may swell, turn red, or be tender to the touch. Severe infections may lead to a bump known as a dorsal hump. Acne on the nose can also lead to a bump inside ...