Articles
Warfarin side effects: Watch for interactions
Less serious warfarin side effects to tell your doctor about
What warfarin side effects should you watch for?
Warfarin side effects that require immediate medical attention
Less-serious warfarin side effects to tell your doctor about
What precautions can you take against warfarin side effects?
What drugs and supplements can interact with warfarin?
What foods and drinks might interact with warfarin?
Content
When is warfarin prescribed?
What are the side effects of warfarin?
What can increase the risk of bleeding?
What drugs, supplements and foods interact with warfarin?
What does vitamin K have to do with warfarin?
What can you do to lower the risk of bleeding?
What should you do if you forget a dose?
Warfarin side effects that require immediate medical attention
- Severe bleeding, including heavier than normal menstrual bleeding
- Red or brown urine
- Black or bloody stool
- Severe headache or stomach pain
- Joint pain, discomfort or swelling, especially after an injury
- Vomiting of blood or material that looks like coffee grounds
- Coughing up blood
- Bruising that develops without an injury you remember
- Dizziness or weakness
- Vision changes
Rarely, warfarin can cause the death of skin tissue (necrosis). This complication occurs most often three to eight days after you start taking warfarin. If you notice any sores, changes in skin color or temperature, or severe pain on your skin, seek immediate medical care.
