Varicose veins are enlarged veins, often due to weakened valves. Causes include genetics, hormonal changes, and pressure.

I had one slightly bulging blue vein on the ... downward toward the feet and toes. And over time, the accumulation of blood causes pressure to build in those veins, which causes them to stretch ...

In this case, the veins turn blue. This condition is most noticeable around the hands, feet, ankles and toes. Varicose veins ...