When you visit your vascular doctor, they will ask you about your health history, family health history, and allergies; they will also ask about your current medication. He may recommend you for a couple of tests like duplex ultrasound. They will show the blood flow.
If your legs have any of below signs and symptoms, please see a vascular doctor.
Have wounds that won't heal
Painful
Tender
Bulging
Swollen
Unsightly
itchy