Here's why:
* Hypoallergenic means a dog produces less of a specific protein called Can f 1, which is the main allergen in dog dander.
* Shih Tzus have a double coat with a thick undercoat that sheds a lot. This shedding releases dander and is a major source of allergens for people with allergies.
While some Shih Tzus may be less allergenic than others, there is no guarantee that they will not trigger allergies. If you are allergic to dogs, it is important to consult with an allergist and spend time with a Shih Tzu before adopting one to see how you react.
There are some breeds that are considered truly hypoallergenic because they produce less of the Can f 1 protein and shed very little. These include:
* Poodle (Standard, Miniature, Toy)
* Bichon Frise
* Maltese
* Yorkshire Terrier
However, even with these breeds, it's important to note that no dog is completely hypoallergenic. All dogs produce some dander, and everyone's allergies are different.