6 year old cavapoo has developed allergies over the last few years. General ear scratching, paw licking, licking vulva etc. She's just had investigations for vaginitis and following treatment that is slightly improving, but I hate seeing her in so much discomfort. We've tried Piriton and now Cytopoint for the last few months but I'm not certain that it's helping and it's very expensive. Vet says there is no point testing for environmental allergies because they can't be avoided. Next step is a strict hypoallergenic diet to see if it's food allergies.
My question is, has anyone discovered the cause of their dog's allergies? Or have you tried an exclusion diet and had success? Is there an alternative using a commercial hydrolysed protein kibble?
Sorry this is a long post but any thoughts would be much appreciated!