Warfarin Side Effects - Body feels like its racing

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Hi Ive recently had a blood clot and im now on warfarin for the next 6 months. Ive been a diet controlled diabetic for 15 years and ive noticed since ive taken the warfarin when i get up on a morning i feel like my whole body is racing and light headed and shaky (even though when you look at me im not shaking physically). Ive been aching all over and feeling really depressed and i hate feeling like this and im really tired sad Ive spoke to my GP and he says its a rare side effect and he only knows of one other person who has had this. I cant believe i feel so emotional.

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  • Posted

    My husband feels the same way! he feels shaky,anxious and even depressed. He is on 7mg's and it changes every few weks. He's been on this drug for the last 8 months and 7 is the highest he's been up to. Once he was put on 7, that's when he began to feel so lousy. He wants to come off of it and is going to talk to his Doctor on Friday. He has other issues going on and other meds but our primary care said there should be no interaction. BUT he knows how he feels and it isn't good. Just wanted to chime in is all!
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  • Posted

    I'm on 3mg x 4 days and 4mg x 3 days a week. My INR fluctuates. I'm also on small dose of beta blocker and 40mg statin. I feel totally wiped out and weary all of the time. I thought it was the beta blocker, but I'm now sure it's warfarin. I find it strange that I'm only 8 stone, and a man who is 20 stone can be taking the same fuse as me. No wonder I'm tired.

    I'm hoping to come off the warfarin next year, and then maybe I'll get my life back.

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  • Posted

    Weight is irrelevant when it comes to warfarin dosing. Everyone has different requirements for their dose. I've seen one patient on as little as 0.5mg a day and another on 12mg/day. It would be very unusual for warfarin to cause fatigue, tiredness or feelings of anxiousness as a side effect as it works to stop the body producing clotting factors (i.e proteins).

    Tarun (hospital pharmacist)

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  • Posted

    As tarun says weight is not relevant to inr. The INR determins the warfarin dose. The warfarin is dose is very individualsed to the patient and your target range for inr will depend on why you need your blood to flow more freely. For example a person with a single thrombus will have a different target for their inr than someone with a mitral valve replacement or AF. Likewise the duration of lenghth of treatment will vary to weeks/months or for life for some patients.

    What is vital is your anticoagulant specialist support you thru treatment and be available to give advice/directions about all aspects of your warfarin regime.

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