A methyl xanthine derivative from tea with diuretic, smooth muscle relaxant, bronchial dilation, cardiac and central nervous system stimulant activities. Theophylline inhibits the 3',5'-CYCLIC NUCLEOTIDE PHOSPHODIESTERASE that degrades CYCLIC AMP thus potentiates the actions of agents that act through ADENYLYL CYCLASES and cyclic AMP.

Synonyms: Quibron T-SR, Theophylline Anhydrous, Constant-T, Theostat, Anhydrous, Theophylline, Theocin, Sodium Glycinate, Theophylline, Theolair, Theo Dur, 1H-Purine-2,6-dione, 3,7-dihydro-1,3-dimethyl-, Somophyllin T, Theospan, Theon, Theo 24, Ct, Theo Von, 2S36N8T753, Quibron TSR, Theo Von Ct, Theo-Dur, SloPhyllin, C137DTR5RG, Aerobin, Bronkodyl, 0, Afonilum Retard, Quibron T SR, Sustaire, Theobid, Von Ct, Theo, Bronchoparat, 1,3-Dimethylxanthine, Armophylline, Theophylline, Lodrane, Theonite, Theo24, Euphylong, Theodur, 3,7-Dihydro-1,3-dimethyl-1H-purine-2,6-dione, Slo Phyllin, Nuelin, Elixophyllin, SomophyllinT, ConstantT, Monospan, Theolix, Theopek, Nuelin S.A., Theovent, Uniphyllin, Slo-Phyllin, Aquaphyllin, 1,3 Dimethylxanthine, Somophyllin-T, Glycine Theophyllinate, 0I55128JYK, Synophylate, Accurbron, Theo-24, Uniphylline, Theophyllinate, Glycine, Constant T, Uniphyl, Glycinate, Theophylline Sodium, Theoconfin Continuous, Theophylline Sodium Glycinate, Aerolate