... SALMETEROL (Serevent®) is a slow-acting bronchodilator, a medicine that opens up air passages and makes breathing easier. Salmeterol is for regular use to help prevent asthma attacks or to treat the symptoms of chronic lung disease like emphysema or chronic bronchitis. It is not for use in an acute asthma attack. It can also be used to prevent exercise-induced bronchospasm, at least 30 to 60 minutes before exercise is started. You must have a quick-acting bronchodilator (such as albuterol) readily available for use in an asthma attack. A generic salmeterol inhalation aerosol is not available. NOTE: This inhalation aerosol has been discontinued in the US. ...
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Salmeterol Systematic (IUPAC) name 2-(hydroxymethyl)-4- [1-hydroxy-2-[6-(4-phenylbutoxy) hexylamino]ethyl]-phenol Identifiers CAS number 89365-50-4 ATC code R03AC12 PubChem 5152 DrugBank APRD00277 Chemical data Formula C25H37NO4  Mol. weight 415.57 Pharmacokinetic data Bioavailability  ? Protein binding 96% Metabolism CYP3A4 Half life 5.5 Hours Excretion  ? Therapeutic considerations Pregnancy cat. ? Legal status POM (UK), â„ž-on ...
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