Find what you're seeing on your dog

Frequent, restless scratching that the dog can't settle from — the hallmark of allergy.

Repetitive licking, especially of the paws and legs, often to the point of wet fur.

Gnawing or nibbling at the skin, sometimes leaving damp or raw patches.

Rubbing the face and muzzle on carpet, furniture or with the paws.

Pink-to-red flushed skin, usually where the coat is thin.

Small raised red bumps, like insect bites scattered on the skin.

Sudden raised welts and a puffy look, often appearing within minutes to hours.

A moist, red, oozing and painful patch that appears fast, with hair loss over it.

Small pimple-like spots with a white/yellow head.

Dried serum or blood forming crusts and scabs, often where the dog has scratched.

Raw, broken skin and scratch marks from the dog's own claws.

Dry flakes in the coat and a dull look to the fur.

Skin that has become thick, leathery and creased from months of irritation.

Skin that has turned grey or black, often with a thickened feel.

Pink/rust-brown discoloration of light fur from constant licking.

Red, irritated skin between the toes and on the pads.

Puffy, red, sometimes draining paws that are tender to touch.

Firm red bumps or cysts in the webbing between the toes.

Red, swollen, sometimes smelly ear canals with discharge.

Waxy, brown or yellow discharge with a yeasty or sour smell.

Repeated head shaking and pawing or scratching at the ears.

A soft, fluid-filled swelling of the ear flap, caused by violent head-shaking.

Red, watery eyes with rubbing and tear staining around them.

Redness and bumps on the muzzle, lips or chin.

Intermittent vomiting, sometimes after meals.

Soft or loose stools, sometimes more often than usual.

Going more than three times a day, sometimes with urgency.

Excess gas and audible gut gurgling.

A dull, poor coat or weight despite a normal appetite.

Dragging the bottom along the floor, licking the rear.

Repeated impaction, licking the rear, sometimes a strong smell.

Thinning or bald patches, often from self-trauma rather than the hair falling out on its own.

Greasy, smelly, red-brown itchy skin — often a corn-chip or musty smell.

Pustules, circular scaly rings (epidermal collarettes) and crusts.

Sudden puffy face, muzzle, lips or eyelids — often within minutes of a trigger.

Labored or noisy breathing, wheezing, or collapse.

Sudden weakness or collapse, pale gums, sometimes with vomiting and hives.