Is peripheral arterial disease life threatening? is it curable?

Yes to both: Peripheral arterial disease usually means atherosclerosis. If it affects your legs, it probably is also developing in your heart and brain and kidneys, each of which can be deadly. Surgery can help manage the disease, and atherosclerosis is largely reversible by cholesterol-lowering and lifestyle changes -- but this will take work. Good luck -- and be strong and brave.

Possibly: Although disease of the arteries of the legs is seldom life threatening untonitself, it is often a marker of more diffuse atherosclerotic disease including carotid disease and coronary heart disease. Therefore, strokes and heart attacks can manifest in many patients with pad.