Allopurinol
Active ingredient description
Allopurinol is a xanthine-oxidase inhibitor. Allopurinol and its main metabolite oxipurinol lower the level of uric acid in plasma and urine by inhibition of xanthine oxidase, the enzyme catalyzing the oxidation of hypoxanthine to xanthine and xanthine to uric acid.
Medicine classification
This medicinal substance has been classified in the anatomical therapeutic chemical (ATC) classification according to its main therapeutic use as follows:
Product monographs
Competent medicine agencies globally have authorized commercialization of this active ingredient according to these medication package inserts (MPIs):
Medicines
Allopurinol is the active ingredient of these drugs:
Netherlands
Hong Kong
Hong Kong
South Africa
Germany
Turkey
New Zealand
Finland
Hong Kong Turkey
Hong Kong
Tunisia
Australia
Poland
Austria
Poland
United States
Cyprus
Ireland
Finland
Poland
Ecuador
Hong Kong
Germany
Hong Kong
Austria
Brazil
South Africa
Estonia Lithuania Poland Romania
Australia
South Africa
Hong Kong
Austria South Africa Tunisia
South Africa
South Africa
Ecuador
Hong Kong
Hong Kong
Ireland
United Kingdom
Turkey
South Africa
Austria Singapore
New Zealand
South Africa
Cyprus
Australia Canada Mexico South Africa United States
Austria Brazil Cyprus France Hong Kong
Allopurinol is also found within below combination drugs:
Structural formula
Chemical formula: C₅H₄N₄O
Molecular mass: 136.112 g/mol