Methylated xanthine compounds such as caffeine, theobromine, and theophylline are used for their bronchodilator effects.
a purine compound found in most bodily tissues and fluids; it is a precursor of uric acid. Methylated xanthine compounds such as caffeine, theobromine, and theophylline are used for their bronchodilator effects. Allopurinol is used to treat gout, high levels of uric acid in the body caused by certain cancer medications, and kidney stones. Allopurinol is in a class of medications called xanthine oxidase inhibitors. It works by reducing the production of uric acid in the body. High levels of uric acid may cause gout attacks or kidney stones. Allopurinol is used to prevent gout attacks, not to treat them once they occur. /xan·thine/ (-thēn) a purine base found in most body tissues and fluids, certain plants, and some urinary calculi; it is an intermediate in the degradation of AMP to uric acid. Methylated xanthine compounds (e.g., caffeine, theobromine, theophylline) are used for their bronchodilator effect. Xanthine compounds such as theophylline have diuretic properties. xanthine calculi. see xanthine urolith. dimethyl xanthine. theobromine. xanthine oxidase. key enzyme in the pathway for purine breakdown. Catalyzes the conversion of hypoxanthine to xanthine and then to uric acid. Xanthine compounds such as theophylline have diuretic properties. xanthine calculi. see xanthine urolith. dimethyl xanthine. theobromine. xanthine oxidase. key enzyme in the pathway for purine breakdown. Catalyzes the conversion of hypoxanthine to xanthine and then to uric acid. The xanthine derivatives are agents that resemble natural occurring xanthines such as caffeine, theobromine and methylxanthines.
http://medical-dictionary.thefreedictionary.com/xanthine https://www.nlm.nih.gov/medlineplus/druginfo/meds/a682673.html http://medical-dictionary.thefreedictionary.com/xanthine http://medical-dictionary.thefreedictionary.com/Xanthine+oxidase http://medical-dictionary.thefreedictionary.com/xanthine http://livertox.nlm.nih.gov/XanthineDerivatives.htm
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