Discoloration Around Dogs Lips Is It Normal For A Dog To Have A Discoloration Around Her Female Part? Also Rectal Itching?

Is it normal for a dog to have a discoloration around her female part? Also rectal itching? - discoloration around dogs lips

I went to the vet, and go to another to obtain a second opinion, then please do not say, "You go to the FP. Just wanted to see if anyone has any experience or views.

My dog has a brown ring around the vagina. It always seems to be there, but it seems like it could go to the toilet. Today it was the sun on your back, and I tried to pay close attention to him. Apparently, because I had traces of blood through the vagina.

In addition, it has always scooting his butt on the carpet. It was found that worms and their anal sacs drained in the last 2 weeks.
Is it normal for a dog to have a ring around the vagina? It can be connected with the itching and the ring?
Here, too, go to the vet next week. I was just about my research.