Myra
Posted : 3/5/2009 7:33:27 PM
Is the "staining" on the skin or fur (I noticed in your post in the grooming forum you said it's stained fur). If it's fur, then it may be coming from her saliva, which can cause a reddish stain. Often when dogs are itchy, they lick to get relief. Chronic licking can also be caused by other things, like boredom or pain, or it can even be an OCD-like issue. I'm not sure if chronic licking can cause the skin to look stained like it does fur.
If the skin is irritated, given the affected areas you describe, I would consider a contact allergen (to a certain type of fabric, detergent or cleaner, etc.).