Varicose veins are twisted, enlarged veins. Any superficial vein may become varicosed, but the veins most commonly affected are those in your legs. That's because standing and walking upright increases the pressure in the veins of your lower body.
Causes:
· Pregnancy: The more babies you have, the more the risk of permanent varicose veins developing. Varicose veins tend to appear, or become worse, during pregnancy but often improve after childbirth when the pressure on the veins eases.
· Age.
· Standing a lot
· Sometimes an underlying disease may cause varicose veins - for example a previous blood clot (thrombosis) or injury in a deep leg vein.
Mild symptoms:
• Swelling in your feet and ankles
• Heaviness, burning, aching, tiredness, or pain in your legs, particularly when you stand or sit for a long time
• Itchy skin over the vein
More serious symptoms:
• Leg swelling
• Swelling and calf pain after you sit or stand for long periods of time
• Skin changes, such as skin color or dry, thin or scaling skin
• Inflammation
• Open sores or excessive bleeding after a minor injury
When to see a doctor?
Self-care — such as exercise, elevating your legs or wearing compression stockings — can help you ease the pain of varicose veins and may prevent them from getting worse. But if you're concerned about how your veins look and feel and self-care measures haven't stopped your condition from getting worse, see your doctor.
https://www.mayoclinic.org/diseases-conditions/varicose-veins/symptoms-causes/syc-20350643