I had the blood test done on Tonka with very minimal results. He wasn't a year old yet though, when we had it done so that might have caused some issues with the test. They are fairly accurate tests, but the most accurate form (so I have heard) is the skin test. I had that done by a dermatologist for Tonka as well. It was $300 for us. Our test was only environmental though, it didn't test any food items. The dermatologist told us for food allergy testing they just do the food trials. He also told us that people severely overestimate how much food contributes to the allergies and that most of the time it's really something in their environment. I know a lot of people have food allergy dogs on this site though, so that might just be a matter of opinion for our dermatologist. So anyway, we had the skin test done and Tonka tested allergic to 15 items! We assumed his allergies were mainly environmental due to his itchy eyes and face and runny nose/eyes. We did do one food change and nothing changed with him. We ended up doing the allergy shots. We still have yet to see how much they will really help, it's too soon to say! So far I think they seem to be working. We also give Tonka two hydroxyzine (antihistamine) per day.