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This is when the valves in your veins that keep blood flowing in one direction (up to your heart) become damaged and do not work anymore. Blood can no longer travel up your veins towards the heart as easily by this route, so other veins take over and that vein becomes useless and unused leading to lumpy varicous veins.

These can often be painful but can be removed surgically as they no longer work properly so it's ok to take them out.

Varicous veins are usually caused by some sort of regular sustained pressure on a particular site, eg always having your legs crossed or having a heavy guitar on your lap a lot. Risk of developing varicous veins is higher in those with sluggish circulation too.

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13y ago
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10y ago

what causes varicose veins to bleed

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Q: What goes wrong when varicose veins appear on the legs?
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The superficial veins of the legs connect to the deep veins through "penetrating veins" which run perpendicular to the skin from one to the other. The deep veins are essentially a column of blood running from your head to you feet and so when one is standing are under high pressure. In order to keep this pressure away from the frail superficial veins the penetrating veins have valves. When one of these valves goes bad the high pressure is allowed to go back to the superficial veins which blow up like balloons and become visible as what we call varicose veins (or "spider veins").


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