ü Beta-Agonists . Consumer information about the medication XANTHINE DERIVATIVES - ORAL , includes side effects, drug interactions, recommended dosages, and storage information. Mechanism of Action We also have a guide on Adrenergic Bronchodilators that I think you will enjoy. BRONCHODILATOR CLASSIFICATIONS. Theophylline (dimethylxanthine) has been used to treat airway diseases for more than 80 years. Study asthma - bronchodilator Xanthine drugs flashcards from georgie mair's bristol university class online, or in Brainscape's iPhone or Android app. ... Bronchodilators: Beta-Agonists Mechanism of Action. Because of their methyl attachments, these agents are often referred to as methylxanthines. Bronchodilators: ü Xanthines Derivatives . The xanthine alkaloids—caffeine, theobromine, and theophylline—are closely related compounds found in a variety of plants indigenous to several continents. How Do These Drugs Work? Learn faster with spaced repetition. Theophylline is related chemically to the natural metabolite xanthine, which is a precursor of uric acid. When administering the methylxanthine theophylline, the nurse can expect: A. Specific xanthine agents. • Relieve Bronchoconstriction • Cause bronchodilatation . Cushley MJ, Holgate ST. 5. All content is free. Indications are based on acute and chronic pulmonary disease and dysfunction. Figure 8-1 shows the general xanthine structure and the structures of theophylline (1,3-dimethylxanthine) and caffeine (1,3,7-trimethylxanthine). Xanthine Derivatives (Refer to Prototype List in syllabus, pg. 19) • Prototype Drugs: – Theophylline-Theo-dur – Aminophylline . Bronchodilators work through their direct relaxation effect on airway smooth muscle cells. Option D: Theophylline is a methylxanthine bronchodilator. It is the responsibility of the Respiratory Therapist to learn about the drug class. Medscape's clinical reference is the most authoritative and accessible point-of-care medical reference for physicians and healthcare professionals, available online and via all major mobile devices. Bronchodilator actions of xanthine derivatives administered by inhalation in asthma. Hopefully, this study guide can help make that process easier for you. With bronchodilator types being B-agonists, anticholinergic and xanthine derivatives. Read more about the prescription drug XANTHINE DERIVATIVES - ORAL. The airway response to the inhalation of four alkyl xanthines was studied in 17 subjects with moderately severe asthma (mean FEV1 1.19 litres, 42% predicted). Bronchodilators Xanthine derivatives Beta-agonists Anticholinergics Antileukotriene agents Corticosteroids Mast cell stabilizers Sympathomimetic Agents ie epi, ephedrine, isoproterenol, terbutaline. Begins at the specific receptor stimulated Decreased pulmonary function B. 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