Skip to main content

Need urgent help? Start triage first, then route to emergency care.

Start symptom intake Emergency vets near you

Health A-Z

Common Pet Conditions

Start with a symptom, then learn what to monitor and what your vet may check.

Need care now?
Start intake or go straight to nearby clinic options.
Find a Vet Near You Start Symptom Intake
Clear
Browse by symptom
Clear symptoms
abnormal bleeding or discharge (1) and diabetic ketoacidosis (1) and lethargy (1) and lethargy. Advanced cases may present with vomiting (1) and lethargy. For example (1) but any lump should be checked) (1) dehydration (1) drooling (1) increased appetite with weight loss (1) increased urination (1) lameness or swelling in the bone (for bone cancers) (1) lymphomas may cause enlarged lymph nodes (1) or difficulty eating. Any unusual new symptoms in an older dog can be a red flag (1) oral cancers might present as foul breath (1) persistent fever (1) Signs include excessive thirst (1) Signs of cancer vary widely with the type and location. Possible signs include a persistent lump or swelling (not all are malignant (1) sores that don’t heal (1) Symptoms vary: wet FIP causes fluid accumulation in body cavities (1) unexplained weight loss or loss of appetite (1) weight loss (1) while dry FIP leads to granulomas in organs (1)
Symptom matches are best-effort. If a symptom is severe or sudden, contact a veterinarian promptly.

Endocrine and Metabolic

1 items
Image for Diabetes Mellitus (Canine)
Diabetes Mellitus (Canine)
Dog - Any breed can develop diabetes; higher incidence in middle-aged to senior dogs (e.g. Miniature Schnauzers, Poodles, Dachshunds, Beagles, Golden Retrievers, Labrador Retrievers)
Signs include excessive thirst increased urination increased appetite with weight loss and lethargy. Advanced cases may present with vomiting dehydration and diabetic ketoacidosis

Diabetes mellitus in dogs is an endocrine disorder characterized by insufficient insulin production, leading …

Infectious and Parasitic

1 items
Image for Feline Infectious Peritonitis (FIP)
Feline Infectious Peritonitis (FIP)
Cat - FIP can occur in any cat, but young cats and those in multi-cat environments are at highest risk
Symptoms vary: wet FIP causes fluid accumulation in body cavities while dry FIP leads to granulomas in organs persistent fever weight loss and lethargy

FIP is a progressive, often fatal disease caused by a mutation of feline coronavirus. The mutated virus trigg…

Legacy / Unmapped

1 items
Image for Cancer
Cancer
Dog - All Breeds (more common in older dogs; certain breeds prone to specific cancers)
Signs of cancer vary widely with the type and location. Possible signs include a persistent lump or swelling (not all are malignant but any lump should be checked) sores that don’t heal abnormal bleeding or discharge lameness or swelling in the bone (for bone cancers) unexplained weight loss or loss of appetite +5 more

Cancer in dogs is a broad group of diseases where cells grow uncontrollably, invade surrounding tissue, and m…

For pet owners
Use this page to learn what a symptom can mean, what to track at home, and when to get help. Bring notes to your appointment (timeline, appetite, water intake, urination, stool, vomiting episodes, medications and supplements).
For veterinary perspective
Each condition page summarizes common presentations, typical evaluation steps, and treatment approaches. It is not a substitute for diagnosis. Your veterinarian will consider breed, age, exam findings, and tests.