How the Vet Tests the Itch
Most of these tests are quick, done in the room while you wait, and they tell the vet a great deal in minutes. A few go to a lab or a specialist. Here is what each one is, how it is done, and what it finds, so the visit stops being a mystery.
Quick, in the room
Comb, scrape, swab, tape, and a stained slide under the microscope. Minutes, while you wait, almost always awake.
Off to the lab
A blood sample or a swab sent out when the answer needs growing or measuring. Results in days.
Takes time or a specialist
A diet trial, allergy testing, or a biopsy. Reserved for what the quick tests cannot settle.
The toolkit at a glance
| Test | Looks for | Finds these | Where | Comfort |
|---|
Important note: most of these tests are quick and done while you wait, and they tell the vet a great deal in minutes. A few go to a lab or a specialist. This tool is here to help you learn what each step is and why it is done, so you can understand your dog’s work-up, ask good questions, and give informed consent for their care. Diagnosis and treatment stay with your vet.

Hannah Zulueta obtained her Certificate in Canine Nutrition from CASI Institute. She is also studying for her Doctorate in Acupuncture, Traditional Chinese Medicine, and Herbalism from the esteemed Pacific College of Health and Medicine. If you’re as keenly interested in health for yourself, visit her website for human health: Satori Acupuncture and Herbs.
She resides in San Diego with her three dogs, Maggie, Orbit, and Mr. Higgins.
She is available for one on one consultations. She develops evidence-based recipes that meet both NRC and AAFCO nutritional standards while integrating the therapeutic food principles of Traditional Chinese Veterinary Medicine into her formulations.
Additionally, you can find her sharing free content on Instagram.
