Increases bleeding risk. Report unusual or prolonged bleeding, severe bruising, black or bloody stools, pink/brown urine, coughing up blood, or any major or head injury urgently, and tell every clinician and dentist before procedures (stopping is carefully planned). Tell your doctor about kidney problems (dose depends on kidney function), and all medicines and supplements, which can affect bleeding. Indigestion is common. Discuss management. There is a specific reversal agent available in emergencies. Do not run out of supply; carry an anticoagulant alert card. This product information is for general guidance only and does not replace professional medical advice. Always consult a qualified healthcare provider before starting any new medication or supplement. Keep all medicines out of reach of children.