Health experts say the cold weather can trigger asthma symptoms.

Doctors say shortness of breath, coughing, wheezing and a tight chest are signs of an asthma attack.

Parents of a 4-year-old with asthma getting treatment at NYC Health + Hospitals Kings County say they always check to make sure he is warm in the winter, and has his medication.

Health experts advise that anyone with asthma should get the flu shot, have inhalers and follow up with doctors.

Associate respiratory therapist Benita Joseph, who works at NYC Health + Hospitals Kings County, says that dairy products can also irritate the lungs.

NYC Health + Hospitals Kings County says it will send a community health worker to the homes of its patients to help them idenify other asthma triggers like mold, pet dander, or certain types of carpeting. That program is free.