title: Decreased theophylline clearance causing toxicity in children during viral epidemics.
mesh_terms: D002648:Child; D003692:Delayed-Action Preparations; D004196:Disease Outbreaks; D005260:Female; D006207:Half-Life; D006801:Humans; D007223:Infant; D007700:Kinetics; D008297:Male; D012621:Seasons; D013224:Status Asthmaticus / Q000097:blood / Q000188:drug therapy; D013806:Theophylline / Q000009:adverse effects / Q000097:blood*; D014777:Virus Diseases / Q000097:blood*
chemical_list: D003692:Delayed-Action Preparations; D013806:Theophylline