Submitted by György Chityil ... on Fri, 01/19/2018 - 20:25 Hierarchy: NounDescription: {{pharmaceutical drug}} Methylxanthine drug used in therapy for respiratory diseases such as COPD or asthma.Ngram: theophyllineNgram Text: theophyllineSource: WiktionaryIssue: 0Wiktionary tag: pharmaceutical drugNgram Count: 1