Diagnostics

Workup guides for lab testing, imaging decisions, staging, screening, and result interpretation across common small-animal problems.

Audience

Pet owners trying to understand the next test, and veterinary teams framing a diagnostic pathway.

Editorial Job

Show what each test can and cannot answer, and when referral or urgent care changes the plan.

191 articles in this category · showing 151–160.

Last updated 2026-10-09

Topic Map

Drug Safety & Toxicology123 Clinical Pathology60 Dermatology51 Vaccination & Infectious Disease41 Gastroenterology38 Endocrinology31 Oncology28 Canine Osteoarthritis27 Diagnostic Imaging27 Antibiotics & Anti-Infectives23 Cardiology20 Urology18 Feline CKD13 POCUS4

Companion animal beside veterinary diagnostic materials.

DiagnosticsMay 30, 2026 · 10 min read

Chinchilla Heat Stress: Fatal Temperature Thresholds and Why Cooling May Not Be Enough

Chinchillas cannot sweat and their dense fur traps heat. Temperatures above 80°F can cause fatal heat stroke, but danger starts earlier than owners expect and…

Ran Chen#Emergency & Critical Care

DiagnosticsMay 30, 2026 · 13 min read

Chronic Vomiting in Dogs: Diagnostic Workup, Food Trials, IBD, and When to Refer

Why dogs vomit chronically, how veterinarians work it up step by step — from baseline bloodwork and fecal testing through food trials, abdominal ultrasound,…

Ran Chen#Gastroenterology #Clinical Pathology

DiagnosticsMay 30, 2026 · 10 min read

Cockatiel Chronic Egg Laying: Calcium Depletion, Hormone Therapy

Chronic egg laying is a common and dangerous condition in pet cockatiels that depletes calcium reserves and risks egg binding.

Ran Chen#Emergency & Critical Care #Endocrinology #Nutrition

DiagnosticsMay 30, 2026 · 11 min read

Ferret Insulinoma: Subtle Hypoglycemia Signs, Emergency Triggers

Insulinoma is the most common tumor in middle-aged ferrets. How to recognize subtle hypoglycemia signs before a seizure, what home observation should track,…

Ran Chen#Endocrinology #Emergency & Critical Care

Guinea pig on a towel near radiograph film showing a round bladder stone.

DiagnosticsMay 30, 2026 · 9 min read

Guinea Pig Bladder Stones and Sludge: When Surgery Becomes Unavoidable

Guinea pigs excrete calcium through urine, making bladder stones common. Most cannot be dissolved by diet. How vets diagnose stones, when surgery is the only…

Ran Chen#Urology

Guinea pig with visible incisors beside a skull radiograph on a light box.

DiagnosticsMay 30, 2026 · 9 min read

Guinea Pig Dental Disease: Why Incisors Look Normal While Molars Are the Problem

Weight loss, dropping food, and a wet chin in guinea pigs often come from molar disease invisible to owners. How vets find it, what skull imaging reveals, and…

Ran Chen#Dentistry

Guinea pig with slight nasal discharge in a quarantine enclosure with fresh bedding.

DiagnosticsMay 30, 2026 · 9 min read

Guinea Pig Respiratory Infection: When a Mild Sneeze Is Not Mild

Bordetella and Streptococcus can kill guinea pigs after appearing as a sniffle. How quarantine works, which antibiotics are safe, why rabbits and dogs carry…

Ran Chen#Emergency & Critical Care #Vaccination & Infectious Disease

Guinea pig beside fresh vegetables and vitamin C supplement.

DiagnosticsMay 30, 2026 · 10 min read

Guinea Pig Vitamin C Deficiency: Why Stiffness and Poor Appetite Need a Vet Visit

Guinea pigs cannot make vitamin C. When the diet falls short, stiff joints and poor appetite can mimic arthritis or infection. How to tell the difference and…

Ran Chen#Nutrition

DiagnosticsMay 30, 2026 · 11 min read

Hamster Cheek Pouch Impaction and Abscess: What Owners Miss and What the Vet Checks

A persistent lump in a hamster's cheek is not always food. How impaction becomes abscess, what bedding and diet drive recurrence, and why home emptying is…

Ran Chen#Dentistry #Emergency & Critical Care

Hamster in clean bedding with veterinary hydration supplies nearby.

DiagnosticsMay 30, 2026 · 11 min read

Hamster Wet Tail: Why Watery Diarrhea Is Always a Veterinary Emergency

Proliferative ileitis caused by Lawsonia intracellularis can kill a young hamster within 48 hours. Why OTC products are not treatment and what a veterinarian…

Ran Chen#Gastroenterology #Emergency & Critical Care