When the valves inside your veins grow to be broken, the valves might not close entirely. This allows blood to movement in both equally Instructions. When your muscles unwind, the valves In the broken vein(s) won't be capable of hold the blood. Phlebitis could be the inflammation of a vein. https://www.sgvascularctr.com/a-comprehensive-guide-to-deep-vein-thrombosis-treatment-in-singapore/