Shih Tzu Guide

Are Shih Tzus Hypoallergenic?

Short answer: no breed is truly hypoallergenic, and that includes the Shih Tzu. What a Shih Tzu does offer is a coat that sheds far less than many dogs, which is a reason plenty of allergy-prone families put the breed on a shortlist. Whether it is enough for you depends on your own body.

This guide separates the shedding story from the allergy story, because they are not the same thing. It also covers the other meaning of the question, which is allergies in the dog itself. For care of the coat, see the Shih Tzu grooming guide.

Are Shih Tzus hypoallergenic?

The word means "below normal allergenic", and it gets used on dog breeds as marketing. It is not a scientific guarantee. The main dog allergen scientists measure, a protein called Can f 1, is found in a dog's saliva, skin flakes (dander) and hair. Every dog makes it. Hair is only the carrier.

A study from Utrecht University compared coat and home samples from breeds sold as hypoallergenic with ordinary breeds. It found that the hair of the supposedly hypoallergenic dogs did not carry less Can f 1, and that levels in the air of the homes did not differ between breeds. The authors concluded there is no evidence to call any breed hypoallergenic. I have not seen a study that tested Shih Tzus alone, so I will not claim one.

Do Shih Tzus shed?

Yes, a little, and less than many breeds. VCA rates the Shih Tzu's shedding as below average, 2 out of 5. The PDSA calls them average shedders, with heavier shedding in the fall and spring. Most pet owners notice loose hair caught in the long coat instead of drifting across the floor.

That trapped hair is the catch. A long, silky coat holds what it drops, and it turns into a mat if it is not brushed out. So low shedding on the floor does not mean low maintenance on the dog, and it does not mean fewer allergens, since skin flakes and saliva are still there.

Why is shedding not the same as being allergic?

People who react to dogs are reacting to proteins, not hair length. Those proteins ride on dander, drool and tiny particles that settle on sofas, bedding and clothes. A dog that sheds little can still leave plenty of them behind, and a dog that sheds a lot can sometimes cause fewer symptoms for one particular person.

That is also why reactions differ from dog to dog. Two Shih Tzus can affect the same person differently, and one person can react to a breed they had no trouble with last year. There is no reliable rule to read from the coat.

Can someone with allergies live with a Shih Tzu?

Some people can, and some cannot. This is individual, and the sensible way to find out is to test before you commit.

Talk to an allergist. A doctor can test whether you react to dog allergens and how strongly, and can tell you if your asthma or eczema makes a dog risky.
Spend real time with the breed. A short cuddle is not a test. A few hours or a few visits shows more, especially if you can touch the dog and sit near it indoors.
Start with the least severe case. If everyone in the household has mild symptoms, you can try; if someone has serious asthma, speak to a doctor first.
Be ready to change the plan. A puppy is a commitment of 11 or more years, as the Shih Tzu lifespan guide explains.

I would rather a family decide against a puppy after meeting one than keep a dog and be miserable. If you want to meet a puppy first, I meet families at a public place we agree together, which keeps the puppies safe while their immune systems finish developing. Write to me on the contact page to arrange it.

What helps reduce dog allergens in the home?

Nothing removes them, but several habits can lower the load. None is a cure.

Keep the dog out of the bedroom, or at least off the bed.
Vacuum with a HEPA filter and wash dog bedding often.
Run an air purifier with a HEPA filter in rooms where you spend the most time.
Brush the dog outside or in a room you can wipe down, and brush before the bath, not after.
Bathe on a regular schedule. The AKC suggests about every three to four weeks for a Shih Tzu, and washing may lower the allergen on the coat for a short time.
Wash your hands after playing with the dog and keep it off the sofa you sit on most.
Choose washable covers for the places where the dog rests, and wash them weekly or as often as you can manage.

Ask your allergist before relying on any of them. These are comfort measures, and allergy medicine or treatment is a medical decision.

Do puppies and adults differ for allergies?

Not in any way I can confirm. A puppy has a puppy coat that changes, and many Shih Tzu coats change around 10 to 12 months according to the AKC, so a trial with a puppy does not fully predict the adult dog. The size of the dog matters in one simple way: a small dog makes less dander in total than a large one. My own adults are about 8 pounds, which is a little under the 9 to 16 pound breed standard, but I never claim that a small size helps with allergies.

Read about how big Shih Tzus get if you want the full range, and see the Shih Tzu color guide if you are curious how coats differ. Color is not known to change allergen levels.

Do Shih Tzus have allergies themselves?

They can. Skin and coat problems were the most common grouped disorder in the 2024 VetCompass study of Shih Tzus, at 16.6% of the dogs sampled. That group includes allergic skin disease but also other causes, so scratching alone does not mean an allergy.

Signs to watch: itchy skin, chewing the paws, redness in the folds of the face, repeated ear trouble or a dull, flaky coat. A vet can look for fleas and infections first, then discuss food or environmental allergies. Do not switch diets at random. Changing too many things at once makes the cause harder to find. The feeding guide covers food basics, and the health problems guide covers the rest.

What should you ask before choosing a puppy if allergies are a concern?

Be direct about it, and ask for time with a dog before you decide. A good answer is one that makes the decision easy for you, not one that promises a result. Ask what the coat is like to live with, how the puppy has been handled, and what happens if the match does not work out. Read the contract before you pay, and keep your doctor's advice at the center of the decision.

At Royal Silk Shih Tzus, I will not tell you a puppy is safe for your allergies, because nobody can know that in advance. What I can do is talk through your situation, answer questions by email and let you meet a puppy before you commit. The puppies available now each have their own profile, and the package that goes home includes the written one-year health guarantee for the puppy.

Quick Answers

Is there a hypoallergenic dog at all?

Not by evidence. The Utrecht University study found no breed with reliably lower allergen levels in the home, so a trial period is the only practical test.

Do Shih Tzu puppies shed more than adults?

Puppies have a softer coat that changes as they grow, but I do not have a reliable figure to give. Brushing keeps loose hair from building up either way.

Does bathing reduce Shih Tzu allergens?

It may lower the allergen on the coat for a short time, and regular baths also keep the coat clean. It will not remove dander or saliva, so treat it as one habit among several.

Are Shih Tzus allergic to chicken?

Some dogs react to a protein in their food, and chicken is one common culprit in dogs generally. A vet can help you plan a food trial for a dog that itches.

Are Shih Tzus a good dog for asthma?

That is a question for your own doctor. A dog that sheds little is not guaranteed to be gentler on asthma, so test your reaction before committing.

Is a Shih Tzu easier on allergies than a Poodle?

I cannot confirm that, and the Utrecht study found no breed advantage in either direction. Individual dogs and individual people vary too much to say.