It's tough to figure out what your dog is allergic to when they have skin allergies. Here are some tips from someone with a really itchy, allergic dog. Have you tried apple cider vinegar or considered a possible food allergy?
Treating Hair Loss in Dogs: This stuff really does work. Its been years since I've seen hair growing in places and it happened in a couple weeks. The scabs went away and itchiness. She even had elephant skin from extremely yeasty skin and skin problems from fleas to environmental allergies. It really help the elephant skin. Its not completely normal yet but I'm hoping it will be someday with continual use of the Dermacton cream lotion.
13 Home Remedies for Mange in Dogs. Mange is a kind of skin disease, found in animals and is caused by parasitic mites. The effect of mange can be seen on animals, birds, reptiles, and even plants. Mange is characterized by hair loss, severe itching, and the formation of scabs and abrasions on the skin. Mange in dogs is known as Sarcoptic mange or canine scabies, which are caused by oval, light-coloured microscopic parasites.
Alopecia in cats - If you notice your cat is losing more hair than usual or has bald patches, see your veterinarian as soon as possible. Abnormal hair loss can be a warning sign of several illnesses, as well as fleas, stress, allergies, or poor nutrition. Forever Aloe Vera Gel will aid in improving nutrition and re-growth & Aloe Vera Gelly will assist in soothing the irritation. https://www.foreverliving.com/retail/entry/Shop.do?store=GBR&language=en&distribID=440500023690