[theBCnut]

Wow, she does have a lot going on. How long has she been on thyroid medication. Low thyroid causes a LOT of the issues you are seeing. Digestion, constipation/diarrhea, dry skin, weight gain are all thyroid symptoms.

Do you have any idea what she is actually intolerant of? Avoiding ingredients because other dogs are allergic to them won’t help yours. Allergies can be to any protein, the only reason those particular ingredients are common allergens is because they are common ingredients.