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What is it? Overview Usage Side Effects and Warnings

Warfarin Side Effects and Warnings

Written by FoundHealth.

What are the precautions when taking this medicine?

• Wear disease medical alert identification.

• If you are 65 or older, use this medicine with caution. You could have more side effects.

• Use caution to prevent injury and avoid falls or accidents.

• If you fall a lot, talk with healthcare provider.

• If you have bleeding problems, talk with healthcare provider.

• You may bleed more easily. Be careful. Avoid injury. Use soft toothbrush, electric razor.

• If you have high blood pressure, talk with healthcare provider.

• If you have kidney disease, talk with healthcare provider.

• If you have liver disease, talk with healthcare provider.

• If you have thyroid disease, talk with healthcare provider.

• If you have had an ulcer or bleeding from your stomach or intestines, talk with healthcare provider.

• If you have a weakened heart, talk with healthcare provider.

• Do not donate blood while using this medicine and for 5 days after stopping.

• Tell dentists, surgeons, and other healthcare providers that you use this medicine.

• Check medicines with healthcare provider. This medicine may not mix well with other medicines.

• Talk with healthcare provider before using other: aspirin, aspirin-containing products, blood thinners, garlic, ginseng, ginkgo, ibuprofen or like products, pain medicines, or vitamin E.

• Avoid multivitamins, natural products, and dietary supplements that contain additional vitamin K.

• Avoid cranberry juice.

• Avoid alcohol (includes wine, beer, and liquor).

• If you stop smoking, talk with healthcare provider. Amount of medicine you take may change.

• Use birth control that you can trust to prevent pregnancy while taking this medicine.

• Tell healthcare provider if you are breast-feeding.

What are some possible side effects of this medicine?

• Bleeding problems.

• Headache.

• Nausea or vomiting. Small frequent meals, frequent mouth care, sucking hard, sugar-free candy, or chewing sugar-free gum may help.

Reasons to call healthcare provider immediately

• If you suspect an overdose, call your local poison control center or emergency department immediately.

• Signs of a life-threatening reaction. These include wheezing; chest tightness; fever; itching; bad cough; blue skin color; fits; or swelling of face, lips, tongue, or throat.

• Severe dizziness or passing out.

• Falls or accidents, especially if you hit your head. Talk with healthcare provider even if you feel fine.

• Swelling or pain of leg or arm.

• Significant change in thinking clearly and logically.

• Severe headache.

• Severe nausea or vomiting.

• Severe back pain.

• Severe belly pain.

• Black, tarry, or bloody stools.

• Blood in the urine.

• Coughing up blood.

• Vomiting blood.

• Unusual bruising or bleeding.

• Severe menstrual bleeding.

• Change in skin color to black or purple.

• Feeling extremely tired or weak.

• Severe diarrhea.

• An infection.

• Any rash.

• No improvement in condition or feeling worse.



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