.

HERBAL MEDICINES OR DIETARY SUPPLEMENTS AND WARFARIN AND OTHER ORAL ANTICOAGULANTS - QUILINGGAO

Medical Diagnosis and Drugs, Medications
A single case report describes a man taking warfarin who had a marked increase in his INR with bleeding complications, 9 days after he switched the brand of quilinggao (a Chinese herbal product made from a mixture of herbs) he was using.
The clinical importance of this interaction is unknown, but bear it in mind in case of an increased response to anticoagulant treatment.
(13)