pradaxa is not for people who have had a heart valve replacement. don't stop taking pradaxa without talking to your doctor. stopping increases your risk of stroke or blood clots ask your doctor if you need to stop pradaxa before any planned medical or dental procedure. pradaxa can cause serious, and sometimes, fatal bleeding. don't take pradaxa if you have abnormal bleeding. and seek immediate medical care for unexpected signs of bleeding, like unusual bruising. pradaxa may increase your bleeding risk if you're 75 or older, have kidney problems, stomach ulcers, a bleeding condition, or take certain medicines. side effects with pradaxa can include indigestion, stomach pain, upset or burning. don't just go with the flow. go with pradaxa, the only blood thinner that lowers your risk of stroke better than warfarin and has a specific reversal treatment. talk to your doctor about pradaxa today.