Pulmonary Embolism Support Group
By far the most common form of pulmonary embolism is a thromboembolism, which occurs when a blood clot, generally a venous thrombus, becomes dislodged from its site of formation and embolizes to the arterial blood supply of one of the lungs. Symptoms may include difficulty breathing, pain during breathing, and more rarely circulatory instability and death.
Really, the point with warfarin is not how much (or how little) you have to take to stay in range ... the point is just to stay in range!
Yeah, you're on a low dose, but if it is working, just stick with it. It is possible that the further out you get from your clots and the more active you become, the higher your dose will get. Maybe not much higher, though. No guarantees you'll stay at this dose for the entire six months.
M2LR is right that everyone metabolizes differently and lots of us are taking other meds that affect how much warfarin we have to take. There are a billion and one things that affect warfarin, so I wouldn't get too hung up on the dose.
I am on Preventative long-term dosing (lifetime) which has a target range of 1.5-2.0 For me 7.5mg per day is required just to stay in that low target INR.
If you only need to take 2mg or less to stay therapeutic, that's awesome it means your body responds well to coumadin therapy. The average person will need 7.5mg (give or take).
I take 2.5 mg per day five days of the week and 5 mg for 2 days a week and I stay therapeutic 99% of the time with only a very occassional small dip higher or lower.
Yes, there are some people who are incredible 'sensitive' to most medications. I'm one of them. I'm sure that's because of genetic make-up and perhaps when genetic testing becomes the norm dosing will become tailored to each person.
I have learned over the years that if a 'normal' dose (of a med) is perhaps 20 mg. then I start much much lower and ramp up, trying to reach the 20 mg.
That would NOT work with some medications (such as warfarin!) but it does with some. I just used that as an example and is not to be considered medical advice.
If you can stay therapeutic with a very small dose---- count yourself lucky! (grin)
Again, this does not mean that every single APS patients falls into this category, but, for a lot of them, they tend to need a higher INR as compared to rest of us with other clotting disorders.
The 2.0-3.0 target INR is still the standard starting point for all APS patients. There had been discussions within the medical community about extending the target INR to 3.0-4.5 but a research report back in the 2007 timeframe had rejected that concept as a standard protocol. The report concluded that as long as the patients Factor II levels while on normal therapeutic dosage remains less then 30%, the patient would not need to be on a the higher INR (3.0 or above). This recommendation was to prevent bleeding problems for patients who did not need the higher INR.
http://onlinelibrary.wiley.com/doi/10.1002/art.23111/pdf
On the other hand, a lot of specialist feel that the target INR for APS patients should be 3.0-4.5. This is discussed on the APS Foundation of America Website: http://www.apsfa.org/faq/faq2.htm
I'm currently on 10 mg/day. I started on 5, but it didn't seem to do anything for me (my INR fell steadily for three weeks post-release until I landed back in the hospital with an INR of 1.09). 10 is working for now, but as stated, I may end up going higher.
I meant to add that whatever works for you works for you. If it's 1, excellent! If it's 10, fantastic! As long as your doctor is aware of your tolerance or sensitivity, and your INR levels stay where they're supposed to be :)
I eat a lot of veggies but keep an eye on the Vit K content. And I take only 2.5 for 5 days and 1 mg for 2 days.
That may or may not work for you. (my disclaimer)
As it is, I'd rather take more medicine if I can have more veg. But my tastes usually switch over to "summer fruit season" about April, so who knows :)
Oh and by the way i am 14 days post PE and i am finally in range today for the first time - yahoo!!!!