Your doctor can help determine what strategies will help most with any blood pressure issues. Quit smoking. Smoking raises your odds of heart problems, stroke , and other health problems. I am not aware of any relationship between warfarin and hypertension - I have been on it for 6 years and my blood pressure is low and did not change when started. since i started taking warfarin the blood pressure got high. i couldn't control it which is i never had before. i am planing to stop taking this medication. Warfarin side effects: Watch for interactions. Although commonly used to treat blood clots, warfarin (Coumadin, Jantoven) can have dangerous side effects or interactions that can place you at risk of bleeding. Cigarette smoking, high blood pressure, high cholesterol, small vessel disease, and diabetes raise one's risk for stroke Blood thinning medicines (known as anticoagulants) can help if the blockage is less severe or if blood clots have formed that might break off and float to the brain. Anticoagulants are also used to prevent stroke in persons with an irregular heartbeat, recent heart attack. Hi there, For me warfarin has ment a lot of things. I have PAH (pulmonell arterial hypertension). High blood pressure can give PAH but PAH in some persons are typicall for APS. Hi there, have been on blood pressure tablets for years and since being diagnosed with PAF in 2014 am now also on Warfarin and Bisoprolol - so far so good - so let`s hope your GP`s misinformed! Good luck with that one and all the best for 2016. I understand this post is old but I want to set the record straight. Too much warfarin resulting in high INR can and does severely mess with your blood pressure, especially if you are older and have poorer kidney function or a disease of the kidneys. So now on Warfarin for 2.5 months (and presumably for life). I take either 8 or 9mg each day, and my INR has been stable in 2.5-3.0 for about a month now. I take either 8 or 9mg each day, and my INR has been stable in 2.5-3.0 for about a month now. High Blood Pressure is a known side effect of Warfarin. Complete analysis from patient reviews and trusted online health resources, including first-hand experiences. - Page 2 Complete analysis from patient reviews and trusted online health resources, including first-hand experiences.