org/health/diseases/22877-bulging-veins
It may actually still be
varicose veins which is common
in 1
in 3 adults. For most people, a bulging vein is truly harmless. Unsightly, perhaps. But won't hurt you. But for a rare few, blood clots would be the concern.
The article gives situations in which these are more common. Being overweight, smoking, recent pregnancy or hormonal changes, intense exercise, dieting or simply getting older are all listed as triggering to this occurring.