If there is one then damage limitation is helpful. The pets should be kept away from bedrooms, bedding and soft furnishing. Regular bathing may reduce dander levels, but not many cats will agree to this. Other measures include washing hands after handling pets and, if possible, keeping pets outside. Children exposed to cats in their first year of life are much more likely to develop allergies than if introduced later.
All furred animals produce allergen in urine, saliva and dander.
There is no such thing as a 'low allergy' cat or dog. Pets are the second most important source of indoor allergens. Moulds Moulds mostly grow in damp conditions. Levels can be reduced by cleaning any visible signs. Airing the home reduces humidity levels and helps control moulds.