and the layer of fat beneath it change with age. However, a new or changing vein, unexplained bruising, or persistent skin discoloration shouldn’t automatically be diagnosed at home.
Seek prompt medical evaluation if you develop new one-sided swelling, pain or tenderness, warmth, redness/darkening, or a noticeably swollen or painful vein.
If these symptoms occur with sudden shortness of breath, chest pain, coughing up blood, or collapse, seek emergency medical care immediately because these can be symptoms of a pulmonary embolism.
A fingernail capillary-refill check can provide limited information about
When to Worry About Veins That Appear Out of Nowhere
