Varicose Veins - Cause
are enlarged veins that usually occur just under the skin (superficial veins).
Varicose veins are likely to be caused by one or more factors,
Varicose veins often run in families. You may be born with
defective valves or weak walls in your veins, or you may develop them later in
Varicose veins are more common in women than in
men. And varicose veins happen more often as people get older.
Varicose veins often develop during pregnancy. They might
become less prominent after pregnancy and may disappear completely.
Less commonly, varicose veins may be a sign of a more serious problem
that may sometimes need treatment. These serious problems can include:
- Blood clots or blockage in the
deep veins or
- Injury to the deep
- Abnormal blood vessels between arteries and veins
(arteriovenous fistulas). A person may be born with these problems or develop
them later in life.
- Tumors (very rarely).