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Related to theophylline: salbutamol


A colorless crystalline alkaloid, C7H8N4O2, derived from tea leaves or made synthetically, used as a bronchodilator primarily to treat asthma and chronic obstructive pulmonary disease.

[New Latin thea, the tea plant (ultimately from Dutch thee); see tea + phyll(o)- + -ine.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˌθɪəˈfɪliːn; -ɪn; θɪˈɒfɪlɪn)
(Pharmacology) a white crystalline slightly water-soluble alkaloid that is an isomer of theobromine: it occurs in plants, such as tea, and is used to treat asthma. Formula: C7H8N4O2. See also xanthine2
[C19: from theo(bromine) + phyllo- + -ine2]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌθi əˈfɪl in, -ɪn)

a crystalline alkaloid, C7H8N4O2, an isomer of theobromine extracted from tea leaves or produced synthetically, used in medicine chiefly to relieve bronchial spasms.
[1890–95; theo-, comb. form representing New Latin thea tea + -phyll + -ine2]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.theophylline - a colorless crystalline alkaloid derived from tea leaves or made synthetically; used in medicine as a bronchial dilator
bronchodilator - a drug that relaxes and dilates the bronchial passageways and improves the passages of air into the lungs
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


n teofilina
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
Deleted were: acetyclysteine 20% solution, inhalation, oral 10 ml; desoximetasone 0.25%, topical cream, 60 gin; diflunisal 500 mg, tablet, oral, 60; and theophylline 100 and 200 mg, tablet, extended-release, oral, 100.
The objective of the present study was the development of a quantitative liquid homogeneous immunoassay specific for theophylline based on the specific uncompetitive inhibition of inosine 5'-monophosphate dehydrogenase (IMPDH) by mycophenolic acid (MPA).
But theophylline, which is used much less frequently today than in the past, also has a number of anti-inflammatory effects.
Theobromine, theophylline and paraxanthine were detected on analysis of Deerfield Sunset's sample by the Horserace Forensic Laboratory at Newmarket.
Some of these agents are well-documented inhibitors of hepatic metabolism of theophylline, caffeine, and warfarin.
CNS Stimulants -- theophylline products, caffeine, Trental, Ritalin, Cylert
Many parents and doctors believe that theophylline, a drug frequently used to treat asthma, causes behavioral changes.
Theophylline is related chemically to the natural metabolite xanthine.
KEYWORDS: Caffeine, Theophylline, Apnea, Infants, Prematurity.
Children considered for stepping up to the next therapy should show symptoms of mild persistent asthma that the authors recommended controlling with low-dose ICS, leukotriene receptor antagonist (LTRA), or low-dose theophylline with as-needed SABA.