Question:
How are food allergies diagnosed?
Answer:
Reliable diagnosis of allergies, especially food allergies, is far from an exact science. Neither the skin tests which inject antigens into the skin and look for reactions, nor ELISA (enzyme-linked immunosorbent assay) or RAST (radioallergosorbent) tests which detect antigen-induced antibodies in the dog’s blood, have proven to be accurate or reliable–false positives and false negatives are common…
