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Asthma

Inhalers and other medications used to control and prevent asthma symptoms.

What is Asthma?

Asthma is a chronic lung disease that affects your airways, the tubes that carry air in and out of your lungs. When you have asthma, your airways can become inflamed and narrowed, leading to symptoms such as wheezing, coughing, and tightness in your chest. An asthma attack occurs when these symptoms worsen.

Symptoms of Asthma

Common symptoms of asthma include chest tightness, coughing (especially at night or early morning), shortness of breath, and wheezing, which produces a whistling sound when you breathe out. These symptoms can vary in severity and frequency.

Causes and Types of Asthma

The exact cause of asthma is not known, but genetics and environmental factors likely play a role. Asthma can be triggered by allergens, such as dust mites, mold, and pollen, or by non-allergic triggers like cold air, certain medicines, and tobacco smoke. There are different types of asthma, including allergic asthma, non-allergic asthma, occupational asthma, and exercise-induced asthma.

Why Asthma Matters

If asthma is left untreated, it can lead to more severe symptoms and frequent asthma attacks, which may become life-threatening. Managing asthma is important to maintain a good quality of life.

How Asthma is Treated

Treatment for asthma typically involves creating a plan with your healthcare provider. This plan may include strategies to avoid triggers, short-term relief medicines for immediate symptoms, and control medicines taken daily to prevent symptoms. In severe cases, additional procedures may be considered.

When to See a Doctor

You should see a doctor if you experience worsening asthma symptoms or if your short-term relief medicines do not work during an attack.

Medications used to treat Asthma

Several classes of medication treat asthma. Which is right depends on your health — that is a decision for you and your provider. Compare prices and coupons on any of them:

Bronchodilators
Bronchodilators work by relaxing the muscles around the airways, making it easier to breathe.
Corticosteroids
Corticosteroids reduce inflammation in the airways, helping to prevent asthma attacks.
Leukotriene Modifiers
Leukotriene modifiers block substances in the body that cause asthma symptoms, helping to reduce inflammation and bronchoconstriction.
Methylxanthines
Methylxanthines relax the muscles of the airways and have anti-inflammatory effects.
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Frequently asked questions

What are the common symptoms of asthma?

Common symptoms of asthma include chest tightness, coughing (especially at night or early morning), shortness of breath, and wheezing.

What can trigger an asthma attack?

Asthma attacks can be triggered by allergens like dust mites and pollen, or non-allergic triggers such as cold air and tobacco smoke.

Who is at risk for developing asthma?

Asthma can affect people of all ages, but certain factors increase the risk, including family history, exposure to secondhand smoke, and having other conditions like obesity.

How is asthma diagnosed?

Asthma is diagnosed through a physical exam, medical history, lung function tests, and possibly allergy tests.

What should I do if my asthma symptoms worsen?

If your asthma symptoms worsen or if your short-term relief medicines do not work, you should seek emergency care.

Compare prices for asthma medications

41 medications — select one to compare prices and coupons.

Learn more about asthma

Condition information adapted from MedlinePlus, U.S. National Library of Medicine.

Medication list sourced from RxClass (MED-RT, U.S. National Library of Medicine). Inclusion does not imply a medication is right for you.

Medical disclaimer: This information is provided for general educational purposes only and is not medical advice. It is not a substitute for professional diagnosis or treatment. Always consult a licensed physician, pharmacist, or other qualified healthcare provider before starting, stopping, or changing any medication or treatment. Never disregard professional medical advice or delay seeking it because of something you read here. If you think you may have a medical emergency, call your doctor or 911 immediately.

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