Emergency: requires immediate attention
Warfarin necrosis
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Synopsis

Approximately 1 of 10 000 patients who receive warfarin develop this reaction. Some patients have an associated protein C or protein S deficiency. Women are affected more often than men.
Once necrosis has occurred, the continued use of warfarin does not seem to cause additional lesions to develop. Lesions heal by granulation over weeks.
Codes
ICD10CM:T45.515A – Adverse effect of anticoagulants, initial encounter
SNOMEDCT:
403659005 – Coumarin necrosis
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Drug Reaction Data
Below is a list of drugs with literature evidence indicating an adverse association with this diagnosis. The list is continually updated through ongoing research and new medication approvals. Click on Citations to sort by number of citations or click on Medication to sort the medications alphabetically.Subscription Required
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Last Reviewed:01/27/2021
Last Updated:01/27/2021
Last Updated:01/27/2021