Allergies in dogs and cats often show up on the skin or in the ears, rather than as the sneezing and watery eyes people expect. A pet may lick its paws, scratch often, or develop repeated ear trouble. These signs can have other causes, too, so they do not confirm an allergy on their own. Pay attention to what changes, how often it happens, and whether your pet seems uncomfortable. Those details can help your veterinarian decide what to check next.
Itching and Excessive Grooming
Frequent scratching, chewing, or licking can be an early clue. Dogs may focus on their paws, belly, armpits, or face. Cats often lick or groom one area so much that their coat becomes thin or patchy. Occasional scratching is normal; concern rises when the behavior keeps returning, interrupts sleep, or leaves the skin red or sore.
Look for patterns rather than trying to diagnose the cause at home. Note where your pet itches, when it started, and whether it changes after time outdoors, a bath, or a diet change. Fleas, mites, infections, and other conditions can also cause itching. A veterinarian can examine your pet and help rule out these possibilities.
Recurring Ear Problems
Allergies can contribute to ear inflammation, especially in dogs. Signs may include head shaking, scratching at the ears, redness, odor, or discharge. Some pets seem tender when you touch near an ear. Cats can also have ear irritation, though parasites and other problems are common causes that need veterinary assessment.
Repeated ear trouble deserves attention, even if drops or cleaning seemed to help before. The problem may return if the underlying cause remains, and some treatments are unsafe for certain ear conditions. Avoid putting products into the ear unless your veterinarian recommends them. Contact the clinic for advice if symptoms recur or your pet appears uncomfortable.
Skin and Coat Changes
Check for red patches, flaky or thickened skin, small scabs, hair loss, or darkened areas. Dogs may develop irritation where they lick or scratch. Cats can have tiny crusts, bald patches, or overgroomed areas that are easy to miss beneath the coat. A persistent change is more useful to report than a single mark that quickly disappears.
Take a clear photo if a skin change comes and goes, and note its location and timing. Do not apply human creams or give medication without veterinary direction; some products can harm pets or mask symptoms. A veterinarian may need to check for infection, parasites, or other skin conditions before deciding whether allergies are involved.
When to Call a Veterinarian
Arrange veterinary advice when itching, ear symptoms, or skin changes persist, recur, spread, or interfere with eating, resting, or play. Contact a veterinarian promptly for open sores, significant swelling, painful ears, or a sudden worsening. Facial swelling, trouble breathing, collapse, or severe weakness calls for emergency veterinary care.
Before the visit, write down when symptoms began, what areas are affected, any recent food or household changes, and treatments your pet has received. Bring photos if symptoms vary from day to day. In Portland, Pine & Paw Allergy Care can help pet owners discuss allergy concerns and next steps with a veterinary professional.
Repeated itching, ear trouble, and skin changes are worth tracking, but they can have several causes. Note what you see, avoid unapproved treatments, and ask a veterinarian when symptoms persist or worsen. If you are concerned about your pet’s comfort, contact a veterinary clinic to discuss an appropriate next step.