But the two most severe were the cats and house dust. It was suggested that I start allergy shots for the house dust and get rid of my cats. A - This is a very common but difficult question to answer. First, the diagnosis of allergy should be based on your history, not just the skin test results. You mentioned reacting to house dust.
Avoidance is certainly the mainstay of allergy therapy.
This goes for house dust mites, cat and pollen allergy. In terms of the cat allergy, the first choice is to remove the cat from the house. If this is not feasible, move the cat to the basement. Having hardwood floors would also decrease the amount of cat dander exposure. At the very least, the cat should be kept out of the bedroom.