Diagnostics
Workup guides for lab testing, imaging decisions, staging, screening, and result interpretation across common small-animal problems.
Pet owners trying to understand the next test, and veterinary teams framing a diagnostic pathway.
Show what each test can and cannot answer, and when referral or urgent care changes the plan.
193 articles in this category · showing 181–190.
Roundworms in Dogs: Testing, Treatment, Zoonotic Risk, and Why Puppies Are Always Infected
Over 30% of puppies under six months shed roundworm eggs. Covers the Toxocara lifecycle, CAPC testing recommendations, FDA-approved treatments, and the…
Hookworms in Dogs: Fecal Testing, Treatment, Drug Resistance, and the 2026 Update
Hookworms in dogs are harder to treat than they used to be. A guide to diagnosis, the emerging multi-drug resistance crisis, CAPC-recommended protocols, and…
Canine Atopic Dermatitis Workup: From Flea Rule-Out to Allergy Testing
Atopic dermatitis in dogs is a diagnosis of exclusion. Here is the step-by-step workup — flea combing, cytology, elimination diet trials, and allergy testing —…
Dog Allergy Testing: Serum IgE vs Intradermal Testing and When Results Mislead
Allergy testing identifies environmental allergens for immunotherapy — it does not diagnose atopic dermatitis. How serum IgE and intradermal testing compare…
Dog Ear Cytology: Why Yeast, Cocci, Rods, and Mites Change the Entire Treatment Plan
Ear cytology is the single most important diagnostic step before treating a dog's ear infection. Here is what the microscope reveals — and why treating without…
When to Refer a Cancer Patient: FNA, Biopsy, Staging, and the Decisions That Cannot Wait
A primary-care workflow for deciding when to aspirate, when to biopsy, when to stage, and when to refer a dog or cat with a suspected tumor — based on the 2026…