Does Warfarin cause weight loss? 

Does Warfarin cause weight loss? 

No, Warfarin is not associated with weight loss. This side effect was not reported during the clinical trials or in any other research study. In fact, it is recommended to talk to your healthcare provider if you wish to lose weight while being on Warfarin because of the few dietary restrictions that come with this medication. 

Experts recommend limiting the use of foods that are high in Vitamin K while you’re being treated with Warfarin. This is because Vitamin K can reduce the effectiveness of this anticoagulant. If you’re losing weight, Warfarin may not be the culprit as the drug does not affect your appetite or metabolism in any way. 

Make sure you consult your healthcare provider if you’re concerned about your weight or if you generally wish to lose weight while you’re on Warfarin. In general, Warfarin does not cause weight loss or weight gain.

What side effects are common with Warfarin?

Warfarin may not affect your body weight, but it is associated with some side effects. These include (1):

  • Dizziness
  • Headache
  • Nausea and vomiting
  • Bleeding gums
  • Nosebleeds
  • Bruising more easily than normal
  • Diarrhoea or constipation
  • Rash or itchy skin
  • Heavy or prolonged menstrual bleeding
  • Blood in urine or stool
  • Joint pain and swelling

Warfarin may also cause rare and serious side effects in some individuals, which should be immediately reported to the prescribing physician. These include:

  • Confusion or memory loss
  • Pale skin or skin that is cool to the touch
  • Severe chest or stomach pain
  • Difficulty breathing 
  • Excessive bleeding or haemorrhage
  • Unbearable headache
  • Blurred vision
  • Unusually swollen legs, feet, or arms
  • Blood in urine
  • Vomiting blood or something that looks like coffee grounds

It is important to note that not everyone will experience these side effects while taking Warfarin and some people may report things that are not mentioned here. People are different and can respond differently to medications. 

Patient-specific factors like age, weight, dosage strength, concomitant use of other medications, any underlying health conditions, and overall genetics can make a difference. 

This is why it’s important to closely monitor your symptoms and report them to your doctor. It is also important to ensure the safe and effective use of medications and to take them exactly as directed by your doctor. 

Warfarin may react with a lot of medications. Even some OTC cold medications are not safe to take with Warfarin. So, make sure you discuss potential drug interactions with your doctor and avoid taking any such medication along with Warfarin.

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References

1.-

MedlinePlus. Warfarin. MedlinePlus drug information [Internet]. Bethesda (MD): National Library of Medicine (US); [updated 2022 Feb 15; cited 2022 Oct 4]. Available from: https://medlineplus.gov/druginfo/meds/a682277.html