theophylline

[有化] 茶碱英释中释na 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

1 If you take theophylline, your doctor may advise you to avoid caffeine..如果你在服用茶碱类药物，你的医生也可能会建议你远离咖啡因。

2 Indeed, when caffeine is ingested and broken down by the liver, one byproduct is small amounts of theophylline..事实上，当咖啡因被人们摄入后，它会被肝脏分解，产生的副产物中就含有少量茶碱。

3 Taking it along with caffeinated foods and beverages may increase the concentration of theophylline in your blood. This can cause ill effects, such as nausea, vomiting and heart palpitations..与含有咖啡因的食品或饮品共同服用可能会增加血液中的茶碱浓度，这将导致一些不良反应，如恶心、呕吐和心悸等。