Is a Dog Skin Allergy Test Worth It?

I was sitting at my desk when the email came through with Lainey’s results.

I opened the file and saw a grid with allergens listed down one side, and boxes with numbers on the other. The numbers were scores. Some were 3s and 4s (the highest). A few were 1s and 2s. Barely any boxes were empty.

I was still trying to make sense of what I was looking at when my phone rang. It was her dermatologist.

“We have Lainey’s results,” she said.

“I know,” I said. “I’m looking at them right now.”

“She’s allergic to almost everything under the sun.”

Before I could respond, an email landed from Lainey’s regular vet, who had also just seen the results. She wrote: oh my gosh, poor baby.

An official diagnosis (Hooray!?)

My initial feeling was actually relief. We had been chasing something for a long time and now we had a name for it: atopic dermatitis. Her body was reacting to things in the environment and making her itch like crazy.

Then my brain caught up and I started reading the list. Grasses. Trees. Weeds. Insects. Dust mites. Dander. Mold. Yeast. Feathers.

Lainey loves the park. She goes every morning. She sees her friends there. Did this mean she couldn’t do that anymore?

I asked the dermatologist.

“A dog needs to be a dog,” she told me. “You have to take her outside.”

Okay. So she could still go to the park. What I still didn’t have, and what the test couldn’t give me, was a cure.

That was harder to accept.

Now what?

I had been operating on the assumption that once we knew what was causing it, we could fix it. Identify the enemy, eliminate the enemy. But environmental allergies don’t work that way. You can’t remove grass from the world. You can’t keep a dog in a bubble.

Her dermatologist recommended immunotherapy, which means custom allergy serums, injected regularly, designed to slowly recalibrate her immune system. Lainey was just over a year old, young enough that there was real hope it could help. We said yes. The catch: you typically don’t see results for at least a year. You’re committing to an expensive protocol without knowing if it’s working, trying to stay patient while your dog is still uncomfortable.

So I asked the question that felt most urgent: what do we do in the meantime?

The answer she gave me is the one that actually changed how I think about all of this.

She explained that dogs are different from humans when it comes to allergens. They don’t just inhale them. They absorb them directly through their skin. Every walk through the park, every roll in the grass, every sniff of a dusty corner, those allergens are landing on Lainey and working their way in. The more you can reduce what’s sitting on her coat and skin, the less her body has to react to.

That meant more vacuuming, washing her bedding and toys regularly, and more frequent bathing. The dermatologist specifically recommended washing her at least once a week.

Here’s where I got stuck. We had been using a medicated shampoo that felt fine for occasional use, but felt too harsh for the frequent washing. She needed something gentle enough to use regularly. Something with as few ingredients as possible.

That’s how All Good Wash came to exist. It’s a simple, gentle shampoo designed for frequent use. No heavy fragrance, no harsh ingredients, just something that removes what’s sitting on her coat and leaves her fur feeling clean and soft.

We've been dealing with this for awhile now, and here’s what I actually believe: the medication matters, the immunotherapy matters, the vet visits matter. But the most underrated part of managing an atopic dog is reducing their exposure in the small, daily ways. Washing the bedding. Wiping the paws. Bathing more often.

The allergy test told us exactly what Lainey’s immune system is reacting to. What it couldn’t tell us was how to live with that. How to make her comfortable day to day, for the rest of her life. We had to figure that part out slowly, on our own.