Jump to content

Page values for "Warfarin"

"Medicines" values

1 row is stored for this page
FieldField typeValue
genericStringWarfarin
brandStringCoumadin (discontinued in US but name in common use), Jantoven
structureFile
classesList of String, delimiter: ,[[:Category:Anticoagulants|Anticoagulant]] [[:Category:Vitamin_K_antagonists|Vitamin K antagonist]]
mechanismString
usesString'"`UNIQ--vote-00000700-QINU`"', '"`UNIQ--vote-00000701-QINU`"', '"`UNIQ--vote-00000702-QINU`"', '"`UNIQ--vote-00000703-QINU`"', '"`UNIQ--vote-00000704-QINU`"'
starting_doseStringTypical 5 mg PO daily; 2.5 mg in elderly, low body weight, malnutrition, hepatic dysfunction. Genotype-guided initial dosing per CPIC/IWPC algorithms (CYP2C9, VKORC1, CYP4F2) is one of the most-established PGx applications in current practice
preparationsString1, 2, 2.5, 3, 4, 5, 6, 7.5, 10 mg tablets (color-coded by strength)
fda_maxStringNo fixed maximum; titrated to INR target
pill_idText
routesList of String, delimiter: ,Oral IV (rarely used; same dose)
onsetStringAnticoagulant effect at 24-72 hours; full INR effect 5-7 days
durationString2-5 days after stopping (factor II resynthesis-limited)
halflifeString36-42 hours (R/S enantiomers differ; S-warfarin is 2-5× more potent and cleared by CYP2C9)'"`UNIQ--ref-00000705-QINU`"'
bioavailabilityString~100% (oral)'"`UNIQ--ref-00000706-QINU`"'
pregnancyString
legalString[[USLegal:Prescription only|Rx-only]] in US