Will anything bad happen if a person just stops taking blood pressure medicine.

Yes,BP goes up,somet: Suddenly stopping blood pressure medicines can be dangerous as the BP tends to rise up, sometimes quite high resulting in serious consequences like a stroke.So it is not to be done without doctors advise and close monitoring..Once you have high blood pressure, it is usually a long term, often life long malady, requring life long reatment unless it was mild probelm and could be controlled without pill.

Stopping BP meds: The only sure thing is that stopping your BP meds will cause you to be hypertensive in a matter of days or weeks. If you are on clonidine, you may have a rebound hypertensive effect of stopping it. If you have some adverse reaction(s) to your BP meds, tell your doctor about it and see if they can switched to get rid of it. Taking BP meds can save your life, speak to your doctor before you stop.