Relief from itchy skin?

Itchy skin relief common in the item: GoBlue question ? Relief of itching My dog's actually itching triggered by dry skin (vet has ruled out other conditions) causes. I've tried anti-itch spray for hot spots, but I believe it really is dry. I also tried a coat conditioner that did not support at all. Benadryl has not helped. What can I use? I want one thing that offers emergency help (ie, something current, like a cream or spay) and possibly the extended-term relief via something like a

Bacterial Vaginal Infection