Symptom checker

Start from what you actually see - vomiting, hiding, a swollen belly, a cat that stopped eating - and get the thresholds that separate watch-and-wait from call the vet now, with the numbers vets use.

Cat Bad Breath: Smell, Cause, and the Dental Workup Most cat bad breath is periodontal, but ammonia or acetone changes the plan. How to read the smell, spot stomatitis pain, and… 7 min read
Cat Bloated Abdomen: Fluid, Mass, or Gas? A bloated cat belly is fluid, fat, gas, or a mass, and the hands can tell. Weekly tape measure, fluid wave vs solid mass… 7 min read
Blood in Cat Urine: Age, pH, Crystals, Sample Types Blood in cat urine means FIC under 6 and stones or infection after 7. See the pH cutoffs, 3 sampling methods, and the 6-hour… 6 min read
Cat Breathing Fast: 30 Breaths a Minute Is the Line Count for 30 seconds, double it, act at 30 per minute. How to tell belly effort from open-mouth breathing, sort fluid from… 7 min read
Cat Drinking More Water: Normal vs Polydipsia Measure water over 48 hours, compare against 40 to 60 ml per kg, and learn which tests (urine specific gravity, SDMA) find the… 7 min read
Cat Drooling: 4 Tracks, 3 Mouth Checks, 5 Severity Grades Drooling in a cat routes to mouth pain, nausea, nerve damage, or poison. Grade the volume, check 3 mouth sites, and know when… 6 min read
Cat Ear Discharge: 4 Types by Color and Smell Dark brown crumbs mean mites, greasy yellow-brown means yeast, yellow pus means bacteria. Match the discharge, clean at 37 C… 6 min read
Cat Eye Swollen Shut: 4 Causes and the 2 Tests A swollen shut eye is conjunctivitis, an ulcer, cellulitis, or glaucoma. Stain and pressure readings split them in 10 minutes… 6 min read
Vulvar Discharge in a Cat: Pyometra or Something Else Vulvar discharge in a cat splits by spay status and color. Closed pyometra can rupture in 24 hours; here is the fever and… 7 min read
Cat Gum Bleeding: 10-Minute Test and Bloodwork Bleeding gums in cats point to periodontal disease, stomatitis, or a clotting problem. Learn the 10-minute pressure test and… 7 min read
Cat Hair Loss Patches: Symmetry, Wood's Lamp, Fleas A bare patch on a cat is either symmetric (endocrine) or one-sided and itchy (fleas, fungus, allergy). Sorting it takes 2… 7 min read
Cat Hind Leg Weakness: Limp or Drag, 6-Hour Clot Window Hind leg weakness is either a limp or a drag. A cold, pulseless back leg is a clot with a 6-hour window; a wobbly walk is often… 7 min read
Jaundice in Cats: Sclera First, Then the Lab Work Bilirubin over 2 mg/dL turns the sclera and ear yellow. How to sort hemolytic, liver, and bile duct jaundice, and when a… 8 min read
Front Leg Limping in Cats: The 48-Hour Rule Score the limp on 5 items, separate weight-bearing from non-weight-bearing, and learn why an X-ray needs 12 hours of… 7 min read
Lump Under Cat Skin: Measure, Time, Then Test Most cat lumps are harmless, but speed decides. Measure 3 dimensions every 2 weeks and use the 2 cm and 4 week doubling rules… 7 min read
Cat Mouth Ulcers: 5 Causes, Told by Position Sores in a cat's mouth come from 5 different causes. Use ulcer position, age and breath to pick the right test, and know when… 7 min read
Cat Nasal Discharge: Color, Onset Day, and One Nostril Clear, yellow-green, or bloody nasal discharge means different things. Match color to illness day, check both nostrils, rinse 1… 6 min read
Neck Lump in a Cat: Node, Thyroid, Cyst, or Abscess A neck lump in a cat narrows to 4 structures by size and age. See the 5 mm node rule, thyroid odds after 8, and the breathing… 6 min read
Nipple Discharge in Cats: False Pregnancy, Mastitis, Tumor Nipple discharge in a cat is milk, pus, or blood, and each points somewhere different. Color chart, 24-hour rules for pus, and… 7 min read
Cat Not Drinking: Dehydration Math and the 24 Hour Line A cat on wet food can drink almost nothing and still be fine. Weigh the bowl, run the 75 to 82 percent moisture maths, and know… 7 min read
Cat Chewing Its Paws: 4 Causes and a 6-Point Home Check Interdigital dermatitis, food allergy, plasmacytic pododermatitis, or detergent residue. How to tell them apart in 2 weeks and… 7 min read
Cat Post-Vaccine Reaction: Normal vs Vet Visit Sleepy for 24-48 hours is normal. Learn the 2 cm and 3 week lump rules, FISS numbers, injection site maps, and how to vaccinate… 6 min read
Bloody Nose in Cats: One Side or Both? A one-sided nosebleed and a two-sided one point to different causes. Here is the 10-minute rule, the 180 mmHg check, and the… 7 min read
Loud Cat Snoring: 4 Causes and a 14-Day Plan Loud snoring in cats usually comes from sleep position, a body condition score above 7, or a blocked nose. Here is how to test… 7 min read
Sudden Blindness in Cats: The 48-Hour Window Dilated pupils that will not react, blood pressure over 180 mmHg, and why the first 48 hours decide whether a cat sees again. 7 min read
Cat Sudden Collapse: Syncope vs Weakness A 3 minute roadside check of gums, breathing and temperature, plus how HCM, anemia and glucose under 60 mg/dL cause collapse… 7 min read
Cat Trouble Swallowing: Dysphagia vs Not Eating Dropping food, gulping, head bobbing: dysphagia has 4 main causes. Learn the 15-30 degree posture, liquid diet math, and when… 7 min read
Swollen Lymph Nodes in Cats: 5 mm Is the Line How to find the mandibular, prescapular, and popliteal nodes, measure them against 5 mm, and use a needle instead of a waiting… 7 min read
Cat Trembling or Shaking: 5 Causes Ranked Shivering at 37.5 C, pain, nerve damage, glucose under 60 mg/dL or poison. Tell trembling from tremor from seizure, and warm a… 7 min read
Cat Vomiting: When to Wait and When to Go Count vomits per 24 hours, read the color, and learn the 3 lines that mean a same-day vet visit, plus honest hairball and… 7 min read
White Foam Vomit in Cats: Color, Count, and When to Go White foam vomit is usually acid plus air, but 3 episodes in 24 hours changes the plan. Read volume, color, and timing, and log… 6 min read
Cat Losing Weight but Eating Well: The 10% Rule A cat that eats well and still loses weight needs a plan. The 10% rule over 90 days, 10-gram home weighing, BCS and muscle… 7 min read
Cat Wheezing: Sound Type Decides the Next Test A wheeze is not a cough. Separate inspiratory from expiratory noise, count resting breaths against the 30 per minute line, and… 7 min read
Cat Wound Not Healing: 5 Causes and the 4-Week Rule A cat wound still open at 2 weeks has infection, a foreign body, a tumor, or a body that cannot heal. See dressing intervals… 6 min read