Factors affecting theophylline clearances: age, tobacco, marijuana, cirrhosis, congestive heart failure, obesity, oral contraceptives, benzodiazepines, barbiturates, and ethanol.
D000328:Adult; D000375:Aging; D014151:Anti-Anxiety Agents / Q000494:pharmacology; D001463:Barbiturates / Q000494:pharmacology; D001569:Benzodiazepines; D002188:Cannabis; D003278:Contraceptives, Oral, Hormonal / Q000494:pharmacology; D000431:Ethanol / Q000494:pharmacology; D005260:Female; D006333:Heart Failure / Q000378:metabolism; D006801:Humans; D008104:Liver Cirrhosis, Alcoholic / Q000378:metabolism; D008297:Male; D008875:Middle Aged; D009765:Obesity / Q000378:metabolism; D012907:Smoking / Q000378:metabolism; D013806:Theophylline / Q000378:metabolism*
D014151:Anti-Anxiety Agents; D001463:Barbiturates; D003278:Contraceptives, Oral, Hormonal; D001569:Benzodiazepines; D000431:Ethanol; D013806:Theophylline