Since this is a long term issue and because of the veins popping as well seems like you may have varicose veins.The constant standing has to be avoided because it causes venous pooling. please wear stockings,reduce weight and avoid prolonged standing. consult a Physio and do beurgers exercises.
Next Steps
consult a physiotherapist or a vascular surgeon
Health Tips
please do ankle pumping exercises after every half hour so that calf muscles work and pump the blood up