Causes of asthma

Asthma is a chronic condition that causes your airways to become inflamed. This triggers a wide range of symptoms, including wheezing, coughing, and shortness of breath.

There are many factors that can trigger asthma attacks, including:

• A viral infection

• Allergies (such as pollen)

• Physical activity (such as exercise)

• Drugs (such as steroids)

Asthma is a disease of the airways. It is a chronic condition, meaning that it lasts for a lifetime. Asthma affects more than 30 million people in the United States and is the most common chronic disease among children.

Asthma can be triggered by several factors, including allergens, chemicals, and infections. The cause of asthma is unknown.

Symptoms

People with asthma may have difficulty breathing when their airways become inflamed and swollen. Breathing difficulties may cause coughing, wheezing, or shortness of breath. In some cases, people with asthma also have chest tightness, rapid heartbeat, or dizziness when they are out of breath. These signs and symptoms may indicate that your child has asthma.

Asthma is a common chronic disease of the airways in the lungs. It can cause shortness of breath, wheezing, and coughing.

The main causes of asthma are:

Exposure to allergens like pollen, dust mites, animal dander, and pet hair

1. Infections like colds or flu

2. Breathing problems such as bronchitis or pneumonia

3. Tobacco smoke

4. Being overweight (as people with asthma tend to be)

Asthma is a chronic disease that causes inflammation of the airways. It affects between 5 and 15 percent of children and 2 to 3 percent of adults in the United States.

People who have asthma often have other symptoms, such as:

• Shortness of breath

• Wheezing or whistling sounds when breathing in or out

• Chest tightness, cough, or difficulty swallowing

Asthma is a chronic disease that causes inflammation of the airways, leading to wheezing, chest tightness, and coughing. It can affect people of all ages, but children are at the greatest risk for developing asthma.

The cause of asthma is not fully understood. Many factors play a role in the development of asthma including genetics, family history, and environmental exposures.

Asthma is a disease that doesn’t have any cure yet, but there are several ways you can manage symptoms and prevent them from getting worse.