Levalbuterol is used to prevent and treat wheezing and shortness of breath caused by breathing problems (such as asthma, chronic obstructive pulmonary disease). It is a quick-relief drug. Levalbuterol belongs to a class of drugs known as bronchodilators. It works by relaxing the muscles... This drug is not approved for use in children younger than 4 years due to increased risk of side effects (such as unusual fast breathing, worsening asthma). Ask your doctor or pharmacist for details. View More Info

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