The best way to treat allergies is to avoid exposure to allergens as much as possible. [substeps] Similarly, if your bird has been diagnosed with a food allergy, stop feeding them that type of food.
[header] How to treat allergies in macaws [title] Avoid exposure to allergens. [step] Keep your bird in a clean environment away from any possible allergens. For example, your macaw may have seasonal allergies associated with pollen and mold.