What people actually react to, why no breed is truly hypoallergenic, what helps at home and how to plan honestly before a puppy moves in.
Most people with dog allergy react to proteins in dander, saliva and urine, above all Can f 1, which is made in the skin and spread over the coat when the dog licks itself. The hair is only a carrier. Dander is light and sticky, floats in the air and settles on textiles, so it is found in homes, schools and offices where no dog has ever lived. Some people react to only one or two of the dog allergens, which is why the same person can tolerate one dog and not another.
Poodles, Portuguese water dogs, bichons, schnauzers and the doodle crosses are often marketed as allergy friendly because they shed little. Studies that measured Can f 1 in the homes and coats of these breeds found no reliable difference from other dogs, and the variation between individual dogs was larger than between breeds. Less shedding means less hair on the sofa, not less allergen. Females and neutered males tend to produce somewhat less, but the individual still matters most.
Keep the dog out of the bedroom so there is one room with fewer allergens. Air purifiers and vacuum cleaners with HEPA filters help, as do smooth floors and washable covers instead of rugs and heavy curtains. Wash the dog's beds and blankets often, bathe or wipe the dog weekly, which lowers the allergen on the coat for a few days, and let someone without allergy do the brushing, preferably outdoors. Wash your hands after cuddling and keep the dog off beds and sofas.
Antihistamines, nasal sprays and eye drops ease mild symptoms, and allergen immunotherapy helps some people over several years. Wheezing, asthma or breathlessness around dogs should always be assessed by a doctor, since allergy can get worse with time. Anyone with allergy who wants a dog should meet that particular dog, or its parents, more than once before deciding. Breeders: be open with buyers who mention allergy, never promise an allergy-free puppy, and agree in advance on what happens if the puppy has to come back.
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