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What warfarin side effects should you monitor?
When you take warfarin, your blood won't clot as easily. If you accidentally cut yourself while taking warfarin, you may bleed heavily. You're more likely to have bleeding problems if you're older than 75 or take other medications that can further increase your bleeding risk.
Notify your doctor right away if you experience any of these warfarin side effects:
* Severe bleeding
* Bleeding from the rectum or black stool
* Skin conditions such as hives, a rash or itching
* Swelling of the face, throat, mouth, legs, feet or hands
* Bruising that comes about without an injury you remember
* Chest pain or pressure
* Nausea or vomiting
* Fever or flu-like symptoms
* Joint or muscle aches
* Diarrhea
* Difficulty moving
* Numbness of tingling in any part of your body
* Painful erection lasting four hours or longer
Other less serious warfarin side effects that you should tell your doctor about include:
* Gas
* Feeling cold
* Fatigue
* Pale skin
* Changes in the way foods taste
* Hair loss
Although rare, warfarin can also cause skin tissue death (necrosis) and gangrene requiring amputation. This complication most often happens 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, notify your doctor immediately.
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