The valve opens to allow blood to flow and the valve will close again after blood has passed through it. However, when the muscle tone around the veins is weak or weak, then the blood flow stops and the blood tends to gather at the base of the vein, so that it widens. As a result arises deposition of blood in veins.
When there has been a clot in a blood vessel, clinical symptoms such as heavy feet, pain, itching, burning, cramps at night, and skin changes and tingling occur.
Varicose veins consist of four types. Next is the list.