Are Bullmastiffs hypoallergenic?
No, Bullmastiffs are not a hypoallergenic breed, and honestly, no dog breed truly is. Bullmastiffs have a short coat that sheds a moderate, manageable amount, but the breed is also a notably heavy drooler, and saliva protein is actually one of the main sources of dog allergen, which matters more for this breed than shedding does.
Why 'hypoallergenic' is the wrong question for this breed
No dog breed is scientifically proven to be hypoallergenic; the main allergens that trigger reactions in sensitive people come from proteins in saliva, skin dander and urine, not simply from how much visible hair a dog sheds. A short-coated breed can still be a significant trigger if it drools heavily or has a lot of skin contact with furniture and people.
Bullmastiffs are a large, powerfully built breed known for being heavy droolers, particularly around mealtimes or when excited, which puts more allergen-carrying saliva around a home than a low-shedding but non-drooling breed would.
What the coat is actually like
The breed's short, dense coat sheds at a moderate, fairly consistent rate year-round rather than in dramatic seasonal bursts, which some owners find easier to manage than a heavy double-coated breed's twice-yearly coat blow, even though the total shedding over a year is not necessarily less.
Regular brushing, once or twice a week with a short-bristle or rubber curry brush, picks up most loose hair before it ends up on furniture and floors, and also helps distribute natural skin oils through the coat.
What to do if allergies are a real concern
Anyone with a genuine dog allergy should spend meaningful time around a Bullmastiff, ideally in a home environment rather than a brief visit, before bringing one into a household with an allergy sufferer, since individual sensitivity varies considerably and drool exposure is harder to predict from a short meeting than shedding is.
Regular grooming, wiping drool promptly, and frequent washing of bedding and soft furnishings all reduce allergen levels around the home, though none of these fully eliminate exposure for someone with a significant allergy.
Other traits worth knowing before choosing this breed
Bullmastiffs are a large, powerfully built guarding breed, originally developed to work on estates, and that heritage still shows in a strong protective instinct and a size that needs confident, consistent handling from an early age. This matters as much to household suitability as any allergy consideration.
The breed is also prone to warm weather sensitivity given its size and short muzzle, and needs sensible exercise management in hot conditions, which is a separate but genuinely important welfare consideration alongside coat and drool.
Kit for this breed
Things we stock that owners commonly reach for here. Nothing on this page depends on you buying one.
Microfibre Pet Drying Robe
A super-absorbent microfibre drying robe that soaks up the wet fast after baths, swims and walks.
From£10.99
Absorbent Microfibre Dog Drying Robe
A super-absorbent microfibre drying robe with a handy front pocket to dry your dog off fast.
From£13.99
Large Self-Cleaning Slicker Brush for Mats and Tangles
A self-cleaning slicker brush with fine, bead-tipped wire pins that gently lift loose undercoat, mats and tangles from short or long-haired pets. A one-click button releases the collected fur for fuss-free cleaning. Cat-ear shaped design.
£18.99
Common questions
- Do Bullmastiffs shed a lot?
- Bullmastiffs shed a moderate, fairly consistent amount year-round rather than heavily in seasonal bursts, thanks to their short, dense coat. Regular brushing keeps most of it off furniture and floors.
- Is drool a bigger allergy trigger than dog hair?
- For many people with dog allergies, yes, since saliva protein is one of the main allergens rather than the hair itself. A heavy drooler like a Bullmastiff can trigger reactions in some allergy sufferers even with relatively modest shedding.
- Can I reduce allergens from a Bullmastiff in my home?
- Regular brushing, prompt wiping of drool, frequent washing of bedding, and good general ventilation and cleaning all help reduce allergen levels, though they will not eliminate exposure entirely for someone with a genuine allergy.
- Which dog breeds are considered lower-allergen options?
- Breeds with low shedding and minimal drooling, such as poodles and several poodle-cross breeds, are commonly suggested as lower-allergen options, though no breed is guaranteed hypoallergenic and individual reactions vary. Meeting a specific dog before committing is always the more reliable test.
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Written against guidance published by UK veterinary and welfare organisations. Always confirm specifics with your own vet.
Written by Matt Garnett, who runs Giddy Pets and is a lifelong pet owner — not a vet. This is general information, not veterinary advice, and it cannot replace an examination by the vet who knows your animal. How we write these guides.