Why asthma

Quick-relief medicines control the symptoms of an asthma attack. If you need to use your quick-relief medicines more and more, visit your doctor to see if you need a different medicine. Asthma medicines can have side effects, but most side effects are mild and soon go away.

Ask your doctor about the side effects of your medicines. Remember — you can control your asthma. Decide who should have a copy of your plan and where he or she should keep it. Follow CDCasthma on Twitter to learn more about helping people with asthma live healthier lives by gaining control over their asthma.

Skip directly to site content Skip directly to page options Skip directly to A-Z link. Section Navigation. Facebook Twitter LinkedIn Syndicate. Learn How To Control Asthma. Minus Related Pages. Exploring new approaches to control asthma symptoms. A study supported by the NHLBI will look at the importance of osteocalcin, a hormone in bone tissue, in causing the constriction of airways in mice that have asthma, to help future treatments.

We support studies to figure out whether different bacteria play a role in development of dust mite allergy-related asthma. Gaining a better understanding of chronic inflammation. Previous studies have shown that epithelial cells, a certain type of cell in the airways, are involved in asthma inflammation. Reducing asthma disparities. The Consortium on Asthma among African-ancestry Populations in the Americas CAAPA aims to discover genes that raise asthma risk among people of African ancestry and to study genetic diversity in populations of African descent.

Read less. Trials at the NIH Clinical Center Responses to asthma treatment This study will gather general information over a year period about people who have had asthma to understand why patients respond differently to treatment. To participate in this study, you must be age 18 or older, have been diagnosed with asthma for at least one year, and not have any other major conditions. This study is located in Bethesda, Maryland.

This study will investigate the genes involved in the breathing process and in the development of lung diseases such as asthma or sarcoidosis to improve understanding of the role they play. To participate in this study, you or your child must be between 2 and 90 years old and have been diagnosed and living with a lung disease.

This study will look at the differences between cells from the airways of people who do and do not have asthma. Doctors will use a procedure called bronchoscopy to collect cells. To participate in this study, you must be between 18 and 75 years old, not have HIV, and not be pregnant or planning to become pregnant.

Obesity can lead to widespread inflammation that may make asthma worse. This study will test whether a medicine called CXA reduces inflammation in the airways and body and improves asthma symptoms in people who have obesity.

To participate in this study, you must be between 18 and 65 years old, have a BMI of 30 or greater, and have been on long-acting controller medicine—such as inhaled corticosteroids or long-acting beta2-agonists—for at least three months. This study is located in Aurora, Colorado. This study will look at how to get children and teens to identify their asthma symptoms early, using a peak flow meter.

To participate in this study, your child must be years old, have been diagnosed with asthma, and have at least one parent who identifies as African American or Puerto Rican.

This study is located in the Bronx, New York. This study will test a technology-based way to help young African American adults manage their asthma by using texts and computer messages to remind them to take their medicine. To participate in this study, you must be between 18 and 29 years old, have moderate or severe persistent asthma, and have access to a cellphone.

This study is located in Detroit, Michigan. This study aims to test a new and less invasive way to look at the levels of a protein called GSNOR in people who have asthma. High levels of this protein can lead to inflammation swelling in the airways. Normally, doctors measure GSNOR levels with bronchoscopy a tube inserted through your mouth into your airways. But this often requires you to be sedated. In the new approach being studied here, you will breathe in a chemical that your body makes, called GSNO.

Researchers will look at how much of the chemical is broken down in your breath. They will compare the levels between people who have asthma and people who do not to see whether the test works. To participate in this study, you should be between 18 and 80 years old and either have been diagnosed with asthma for at least a year or not have asthma and not smoke.

This study is located in Cleveland, Ohio. To participate in this study, your child must be years old, have difficult-to-control asthma, and not have any other major medical conditions. You will be randomly selected to meet with either a lung specialist alone or a lung specialist and a health coach, who will give you recommendations to improve your care and better manage your condition.

To participate in this study, you must be age 18 or older, have asthma or COPD, and not already be seeing a lung specialist. You also must get your care from one of 10 health centers in San Francisco, California. This study is located in San Francisco, California. This study will test whether a program called RVA Breathes improves the health of children who have asthma.

To participate in this study, your child must be between 5 and 11 years old and enrolled in a local public school. This study is located in Richmond, Virginia. This study is looking at whether two different education-based treatments can help improve the quality of life for people who have severe asthma and insomnia. To participate in this study, you must be 18 to 75 years old and have insomnia and moderate or severe asthma.

This study is located in Pittsburgh, Pennsylvania. This study is looking at the DNA in airway cells to see how they differ between people who have asthma and people who do not. To get a sample of cells from your airways, you may have a bronchoscopy a tube inserted through your mouth into your airways. To participate in this study, you must be between 18 and 70 years old, either with asthma or with no history of asthma. This study is looking at a medicine called roflumilast for treating asthma that may also help you lose weight.

Researchers are looking at whether the weight loss effects from the medicine will help improve asthma symptoms. To participate in this study, you must be age18 or older, have been on an asthma treatment for at least three months, and have obesity. This study is collecting information to help design a test for determining whether an asthma attack is caused by an infection with a virus. You will breathe out hard into a tube to collect your breath.

Researchers will look at what substances are in your breath. This will help them see which substances differ depending on whether your asthma attack is caused by an infection with a virus or something else. To participate in this study, you must be age 12 or older, have a body mass index BMI of 18 or higher, and have early signs and symptoms of an asthma attack.

This study is located in Sacramento, California. More Information. How the Lungs Work. Pulmonary Function Tests. Asthma Action Plan. Asthma and Physical Activity in the School. Asthma Management Guidelines and Your Care. Consejos para hablar con su proveedor de salud. How to Use a Dry Powder Inhaler. How to Use a Metered-Dose Inhaler. How to Use a Nebulizer. Infographic: Asthma. Is Bronchial Thermoplasty Right for You?

Monitorear su asma. My Asthma Wallet Card. Here are some additional tips:. Taliercio says. Adult-onset asthma is more common — and more serious — than you may think. Find out why asthma hits adults harder thank kids. Learn which symptoms to watch for and how to control your asthma.

Learn more about vaccine availability. Advertising Policy. Genetics play an important role in causing asthma. If your mom or dad has asthma, then you are more likely to have asthma too.

Some people are more likely to develop allergies than others, especially if one of their parents has allergies. Certain allergic conditions are linked to people who get asthma. Respiratory Infections. As the lungs develop in infancy and early childhood, certain respiratory infections have been shown to cause inflammation and damage the lung tissue. The damage that is caused in infancy or early childhood can impact lung function long-term.