If mold or mildew form on window-sills, outside walls, or on bathroom tile, wash monthly with Chlorox or Tilex . Use the bathroom exhaust fan when showering. Repair leaks and replace dry rot. Relocate the dog and cat to Wyoming, or at least to the garage. The dander left behind will take six to eight months to decompose despite shampooing of the carpet.
Irritants exacerbate allergy symptoms.
If unable to quit, family members who smoke should do so outdoors. Go easy on perfumes and colognes and avoid flowers with strong aromas. Obviously, you can't rid the great outdoors of pollen, so you'll need to adjust your activities during your allergy season. Always remember to take your allergy medication before going outside. With allergy problems, an ounce of prevention is worth a pound of cure.