If your veins are visible in your hand, it is a signal of ca…See more

Blood Clots

Although uncommon, a blood clot in a vein may cause:

Sudden swelling

Pain

Redness

Warmth

Tenderness

These symptoms require prompt medical attention.

A blood clot should never be ignored.

Weight Loss

Unexpected weight loss may make veins appear more prominent because the fat beneath the skin decreases.

If weight loss is intentional through healthy diet and exercise, visible veins are generally expected.

However, unexplained weight loss should always be discussed with a healthcare provider.

Hyperthyroidism

An overactive thyroid increases metabolism and blood circulation.

Some people with hyperthyroidism may notice more prominent veins along with symptoms such as: