Pays: Australie
Langue: anglais
Source: Department of Health (Therapeutic Goods Administration)
Warfarin sodium
Aspen Pharma Pty Ltd
Medicine Registered
COUMADIN- Product Information Page 1 of 16 PRODUCT INFORMATION COUMADIN NAME OF THE DRUG COUMADIN TABLETS, Warfarin sodium 1mg COUMADIN TABLETS Warfarin sodium 2 mg COUMADIN TABLETS Warfarin sodium 5 mg _CAS No_: _129-06-6 _ _Molecular formula and weight: _ _C_ _19_ _H_ _15_ _NaO_ _4_ _ 330.3_ DESCRIPTION COUMADIN (warfarin sodium) is a vitamin K dependent factor anticoagulant. Warfarin is 4-hydroxy-3-(3-oxo-1-phenylbutyl) coumarin which is present as a racemic mixture. Warfarin sodium is a white hygroscopic powder, very soluble in water and in alcohol. Coumadin 1 mg tablets are light tan, shallow, biconvex, embossed tablets Coumadin 2 mg tablets are lavender, shallow, biconvex, embossed tablets Coumadin 5 mg tablets are green, shallow, biconvex, embossed tablets Excipients: Maize starch, Lactose, Stearic acid, Magnesium stearate PHARMACOLOGY COUMADIN and other coumarin anticoagulants act by inhibiting the synthesis of vitamin K dependent coagulation factors. The resultant _in vivo_ effect is a sequential depression of Factors VII, IX, X and II. The degree of depression is dependent upon the dosage administered. Anticoagulants have no direct effect on an established thrombus, nor do they reverse ischaemic tissue damage. However, once a thrombosis has occurred, anticoagulant treatment aims to prevent further extension of the formed clot and prevents secondary thromboembolic complications, which may result in serious and possible fatal sequelae. MECHANISM OF ACTION Warfarin is thought to interfere with clotting factor synthesis by inhibition of the C1 subunit COUMADIN- Product Information Lire le document complet