What they could be: Spider veins – dilated superficial blood vessels.
Are they dangerous? Spider veins are almost always harmless – a cosmetic concern, not a medical one.
What to do: If you’ve had a few spider veins for years and they’re stable, nothing. If they suddenly appear in large numbers – especially if they’re accompanied by pain or swelling – mention it to your doctor.
4. Veins on Your Chest or Abdomen
What they look like: New, visible veins on your chest, breasts, or abdomen.
When it’s normal: During pregnancy (increased blood volume), after weight loss (less fat covering veins), or with fair skin.
When to worry: If new chest veins appear suddenly, especially if they’re accompanied by swelling of the face, neck, or arms, or shortness of breath. This could indicate superior vena cava syndrome (SVCS) – a rare but serious condition where blood flow from your upper body
