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Health A-Z

Common Pet Conditions

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

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and difficulty eating or chewing (the dog may drop food or chew on one side). In advanced cases (1) and face swelling or nasal discharge can occur if tooth root abscesses form. Dogs with severe oral pain may be lethargic (1) and groin. Flea dirt (small (1) and in severe infestations (1) and muzzle/eyes (red around eyes or mouth). You may see red (1) and recurrent ear infections or skin infections (hot spots) as secondary issues. Dogs with atopy often have seasonal flares (worse during high pollen seasons) unless allergens are year-round (dust). Flea allergy causes intense back-half itching (1) armpits (1) base of tail (1) belly (1) bite (1) chew (1) chewing (1) drool excessively (1) ears (leading to ear infections) (1) especially at the base of the tail (1) Excessive scratching (1) flea allergy dermatitis and even anemia (especially in kittens) may occur (1) groin (1) hair loss in patches (from chewing) (1) irritated skin or rash (1) or over-grooming—especially around the neck (1) or paw at their mouth (1) or scratch themselves excessively. Common areas affected include the paws (licking/chewing feet) (1) pepper-like specks) may be visible (1) pigmented skin over time (1) Symptoms of dental disease include bad breath (halitosis) – often the first noticed sign. Owners may see red or bleeding gums (1) tartar on teeth (1) The hallmark of allergies is itchy skin (pruritus) – dogs will lick (1) there may be loose or missing teeth and pain (the dog resists mouth handling). Pus or blood might be seen in the saliva (1) with red bumps and hair loss. Chronic allergy can also lead to thickened (1)
Symptom matches are best-effort. If a symptom is severe or sudden, contact a veterinarian promptly.

Legacy / Unmapped

3 items
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.