I started Zeus on an array of vitamins. But now I've been noticing his skin (in certain spots) is black. There are maybe 5-6 spots. Size of a penny. And I noticed also some scabs on his back. What could be causing it? Would you think it's something serious?? His itching has stopped. But since these scabs started he has started itching again. Sometimes I find red bumps on his face and caught his rubbing his face hard on the carpet. Is there something wrong with my dog?


