<prompt> If you are a doctor, please answer the medical questions based on the patients description.I am allergic to dust. Whenever I am exposed to dust, I get itchy patches on my skin and eventually leaves mark on my skin. I am 21 years old and I have been suffering from this since I was about 10. I had many medical treatments but they didnt seemed to help.Please help.  <response>: HI, thanks for using Chat Doctor Allergy to dust is a common problem. In your home, the use of pillow and bed casings would help. In addition, there are other tips that would help in your home environment such as: 1wash bedding in very hot water to kill dust mites2clean bare floors with a damp cloth or mop3vacuum twice a week4may have to replace any Chat Doctor. Singular helps to reduce allergic response. You may want to consider consulting an allergist. I hope this helps 