This is a really good article from Answers.com on types of low allergen dogs:
There are a wide number of options available to people who want to be pet owners but suffer from animal allergies. Allergies to dogs are the most common reason that people choose not to get a dog for their family. Today however there are a wide number of options for people in this position. The following questions and answers will help you discover if a low allergen dog is possible for you.
What are Low Allergen Dogs?
Simply put, low allergen dogs are dogs that produce little to no allergic reaction in pet owners with a known allergy to animals. A dog that is considered low allergen is a dog that does not make life more difficult for allergy sufferers. Many people think that short hair dogs are the ones that fit this category, but this is not always the case. There are some large breeds and dogs that actually function better for families that have dog allergies. Before you look for a low allergen dog, it is a good idea to know exactly what you are allergic to. Sometimes allergens such as dust and pollen can get trapped in the fur of dogs and this leads many to believe they are allergic to dogs, when they are really allergic to the dust the dog has brought in.
What are the Best or Worst Dogs to Get if You have Allergies?
Dogs that have short hair or produce little to no dander will be the best dogs for you if you have allergies. Schnauzers are known to produce the least amount of dander out of all dogs, and thus make for suitable pets for allergy sufferers. Dander however is not the only material that can cause allergic reactions. Saliva from dogs is also known to create allergic responses. Thus, dogs that have high saliva content such as a bulldog or a Saint Bernard are not recommended for allergy sufferers.
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