What are the side effects of blood thinners?

So, in addition totaking steps to prevent bleeding, it's also important to recognize the warning signs of this potentially serious side effect:
  • Excessive menstrual bleeding.
  • Coughing up anything red in color.
  • Severe headache or stomachache.
  • Dizziness or weakness.
  • Blood in the urine or bowel movements.
A.

What are the side effects of too much warfarin?

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.
  • What is the safest blood thinner to use?

    The newer medications are Pradaxa (dabigatran), Xarelto (rivaroxaban), Eliquis (apixaban), and most recently Savaysa (edoxaban) — which work by preventing pooled blood in the heart from clotting. Unlike warfarin, the newer drugs are safer and easier for patients to use.
  • How long does it take to get Coumadin out of your system?

    Coumadin (warfarin) will lose its effects at varying rates, depending on dietary factors, liver function, and other medicines that are being taken. If blood Coumadin levels are in the therapeutic range, in most people the effects are gone within 3-4 days of stopping the medicine.
  • Can I have a beer while taking Coumadin?

    Warfarin also interferes with the clotting process, so drinking alcohol while you take warfarin can increase your risk of major bleeding. If you do decide to drink while taking warfarin, you should only drink occasionally. You should also limit the amount you drink to one or two servings.

Updated: 25th November 2019

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