What could cause a dog to lose pigment on his nose?

Answer by  ez (187)

There are many reasons a dog's nose can lose pigmentation. This condition can occur naturally in some breeds as they age, while others have a fading of pigmentation during winter months. Injury or medical problems are also causes for this condition and should be checked out by a veterinarian.

Answer by  alli007 (74)

Anything from contact dermatitis to the natural genetics of a particular breed can cause the de-pigmentation of a canines nose. Hypothyroidism, discoid lupus, and even some versions of carcinoma, a form of cancer, can lead to this condition. Many veterinarians, if asked, will tell you there are several more conditions that lead to this as well.

Answer by  Roland27 (16334)

Is he a puppy or a younger dog? Often times the pigments change in the skin and other places as the dog gets older.

Answer by  Kozmo (286)

Lack of iodine in the diet can cause pigmentation loss. Worst case scenario might be a skin cancer. Either way, for peace of mind, have your vet check it out