Spider Veins vs Varicose Veins--Size matters, among other things
That's a great question. There are several differences that I have summarized below:
Spider veins: usually much smaller in size, up to 1 mm in size. They are typically purple to purple-red in color and typically asymptomatic. They are best treated with sclerotherapy, very rarely is laser therapy indicated.
Varicose veins: these are larger, blue, bulging veins, usually several mm in diameter. They can be symptomatic and cause a feeling of leg...