Theophylline ER Effects, Dosage, and Side Effects Quibron-T/SR Dividose; Respbid; Slo-bid Gyrocaps; Slo-Phyllin Gyrocaps; Sustaire; T-Phyl; Theo-24; Theo-Dur; Theo-Sav; Theo-X; Theobid Duracaps; Theochron; Theoclear L.A.; Theolair SR; Theospan-SR; Theovent; Uni-Dur; Uniphyl

... THEOPHYLLINE (Slo-bid ™, Slo-Phyllin^®, Theobid^®, Theo-Dur^®, Theolair™SR, Uni-Dur^®) is a bronchodilator, or medicine that helps to make breathing easier. It relaxes the bronchial airways, improving the flow of air through the lungs. Theophylline helps to reduce coughing, wheezing, shortness of breath, or difficulty breathing in patients with chronic (long-term) lung disorders such as asthma, bronchitis, or emphysema. Theophylline occurs naturally in teas and is chemically similar to caffeine or theobromine (found in cocoa). Generic theophylline extended-release tablets and capsules are available. ...

Theophylline Systematic (IUPAC) name 1,3-dimethyl-7H-purine-2,6-dione Identifiers CAS number 58-55-9 ATC code R03DA04 PubChem 2153 DrugBank APRD00082 Chemical data Formula C7H8N4O2 Mol. weight 180.164 g/mol Pharmacokinetic data Bioavailability  ? Protein binding 40%, primarily to albumin. Metabolism Via P450 enzymes Half life 8 hours Excretion  ? Therapeutic considerations Pregnancy cat. Australia: A, USA: C Legal status P [UK], av ...