Regardless of how you choose to describe them growths on dogs should always be tested by a veterinarian. One of the most common causes of tiny bumps on a dogs back are these little parasites. Lumps And Bumps On Your Dog Or Cat Dog Skin Problem Dog Skin Dog Skin Remedies From A to Z. . The following are several of the more common types of tumors that might be felt in or under a cats skin. Always discuss treatment plans with your veterinarian and if you want to try home remedies be sure to ask your veterinarian to guide you. Treatment of Black Bumps on Dogs. If your vet says that your cat has acne they may ask you to use a special wash wipe or medicine on your cats face to remove extra oil. These can form if your cat gets a puncture wound. Those bumps on your cats skin. Thankfully cancer in puppies is rare. You might see bumps or blisters. Treatment recommendations will be determined by the underlying cause ...