A woman, sitting on a couch, reaches over to a side table a grabs a tissue, and blows her nose. [Narrator] Many people are allergic to cats. A person is picking up white pet hair from a couch and ottoman. [onscreen text] Trainer's Secret: Not all allergies come from cat hair. [Narrator] Dander, which is typically pointed to as the culprit, often contains allergens but it's not the direct source. Quick cuts of cats in various places around a house. [Narrator] When it comes to cats, the source of the allergy usually comes from the cat's saliva, skin secretions and urine. [Narrator] So here are some things you can do at home to help reduce your allergies. Hands washing themselves under a faucet. Woman spraying a kitchen counter with cleaner and wiping. [Narrator] Wash your hands frequently with soap and water and clean any areas your cat has been in contact with. Person and cat sitting on the floor, while the person uses a dematting tool on the cat's chest. A thought bubble from the cat reads: "This will help a lot." [Narrator] Next, brush your cat daily. Removing that loose, dead hair, can reduce shedding by up to 85%. Ideally, the person in the home who is allergic, should not be the one who does the brushing. Woman in yellow rubber gloves and cat sitting on are both sitting on a kitchen floor while the woman uses a dematting tool on the cat's side. Woman in yellow rubber gloves sprays and wipes down the kitchen floor. [Narrator] However, if the allergic person has to brush the cat, it's best to use rubber gloves and make sure you wash your hands and any contact areas thoroughly after brushing. Woman inserts a HEPA filter into a wall vent. [onscreen text] Trainer's Secret: Use a HEPA filter in your vacuum too. [Narrator] It's a good idea to change out your A/C air filter with a HEPA filter, which will remove most of the allergens in the air. Man standing at a kitchen counter pours kibble into metal food dish. A cat walks by on the counter and eats the food. [Narrator] Now research shows that cats who are on all natural diet with added Omega-3 fatty acids, seem to cause less allergic reactions in people. But always check with your veterinarian before making any changes to your cat's diet. Montage of a woman vacuuming carpeting and upholstery. [Narrator] Often, simple housekeeping chores can help reduce allergens. Try to frequently vacuum your carpet, furniture and drapes. Woman sprays cleaner on coffee table and wipes the table down. [Narrator] Dust furniture with a cleaner that captures the dust, rather than just dispersing it. Woman picks up cat bed from floor and walks out of frame. [Narrator] And wash any bedding that your cat uses a couple of times a week. Cat sitting on bed gets up and walks off. Woman removes pillows from the bed. [Narrator] If your cat sleeps on someone's bed, wash that bedding regularly as well. Your washing machine will remove most of the allergens. Woman sitting on couch next to a cat tree with cat laying in the tree. Woman grabs a tissue from a tissue box on the couch and blows her nose. Thought bubble from cat reads: "Bless you." [Narrator] Lastly, if you've taken these steps to reduce allergens in your home and you're still having a problem, you should see your doctor. Woman sits across from a doctor in a lab coat and talks. [Narrator] He or she may be able to provide you with a prescription medication that can help relieve your symptoms. Woman stands next to cat tree and pats the cat laying in it.