|An allergy also called Hypersensitivity is a reaction of your immune system to something. Lot of ways are there to prevent allergy.
1. Environmental control measures such as control dust mites, pollens and molds, irritants, animal dander which reduce exposure to the allergy triggers.
2. Create a Dust-Free environment. If you are dust-sensitive, you can reduce some of your misery by creating a "dust-free" environment.
3. The routine cleaning necessary to maintain a dust-free environment.
4.Keep your house - Allergy Proof by routine cleaning,Proper Ventilation in Bathrooms,Maintain temperature with relative humidity, Control cockroaches and mice with inexpensive traps and Close doors and windows during warm weather and use air conditioning and dehumidifiers.
5. Although cleaning can sometimes trigger allergic reactions, with dust in the air, vacuuming once or twice a week will reduce the surface dust mites. Wear a mask while cleaning.