Some people may experience side effects while taking Coumadin. Many side effects are mild and do not require medical assistance unless they persist or become severe. Some of these common side effects include: altered sense of taste, bloating, feeling cold or having chills, gas, loss of hair, mild stomach pain, nausea, tiredness and vomiting.
Other side effects may be more serious. Contact your doctor immediately if you experience any bleeding that will not stop, black or bloody stools, bleeding from wounds or needle injections, blood in the urine, coughing up blood or vomit that looks like coffee grounds, dark urine, discoloration anywhere on your body, dizziness, easy bruising, feeling light-headed or short of breath, flu-like symptoms, foot ulcer, hot or cold feeling, infection, numbness or muscle weakness, pain in the upper right part of the stomach, pale skin, purple or red pinpoint spots under your skin, purple toes or fingers, rapid heart rate, sudden and severe leg or foot pain, sudden headaches, swelling, trouble concentrating, unusual bleeding, urinating less than usual or not at all or yellowing of the skin or eyes. Discuss other possible side effects with your doctor.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.