Is it possible to distinguish between varicose veins spider veins and blood clots?

Vein specialist: Spider veins look like spider legs and are usually blue or red and very tiny(1-2 mm) and are several mm to cm long. Varicose veins are large bluish colored veins that are grape-like in appearance. Clots can be superficial on the skin , tender and easy to feel or deep below the skin requiring ultrasound to see associated with pain and swelling. You should see a vein specialist for an evaluation.

See vein specialist: These questions can easily answered by a physician that specializes in venous disease. Spider veins are small surface veins. Varicose veins are larger often protruding veins. Blood clots are a completely different matter.