Allopurinol (brand name Zyloprim) is a xanthine oxidase inhibitor. It is one of the Top 250 Drugs (similar to the Top 200 Drugs or Top 300 Drugs) in ClinCalc.com's RxHero mobile app, FlashRX mobile app and The Top 250 Drugs online educational video course.
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Top 250 Drugs online video course - succinct videos for healthcare professionals and students to develop a rock-solid understanding of the top 250 medications
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