Overview

What Are Varicose Veins?

Varicose Veins AnatomyVaricose veins are superficial veins (close to the skin's surface) that have become stretched, dilated and twisted. They occur when incompetent valves in the legs allow blood to pool in the legs, resulting in a burning or aching sensation.

An estimated 25 percent of women and 15 percent of men have varicose and spider veins. Although varicose veins are common, they are almost never a serious problem. Blood clots rarely develop in varicose veins.

What are spider veins?

Arterial and Venous CirculationSmaller, bluish veins just under the skin's surface are called spider veins. Spider veins are dilated small veins and most often appear on the legs.






Vein Center at Northwestern Memorial Hospital
675 N. Saint Clair St. 
Galter Pavilion, 19th Floor, Suite 100
Chicago, IL 60611

Contact Us
To schedule an appointment or inquire about services, please call 312.695.VEIN (695.8346).
Urgent, after hours Phone: 312.926.2000 , and ask for the interventional radiology fellow on call.
Fax: 312.695.2236

Office Hours: 
Monday-Friday: 8 a.m. - 4:30 p.m.
Saturday-Sunday: closed

Referring Physicians
For consultation or to refer a patient call 312.695.VEIN (695.8346)


Vein Center at Northwestern Lake Forest Hospital
800 N. Westmoreland Rd., Suite 205 
Lake Forest, IL 60045 

Contact Us 
To schedule an appointment or inquire about services, please call 312.695.VEIN (695.8346). 
Urgent, after hours Phone: 312.926.2000, and ask for the interventional radiology fellow on call. 
Fax: 312.695.2236 

Office Hours 
Tuesday: 8 a.m. - 4:30 p.m. 
Thursday: 8 a.m. - 3 p.m. 

Referring Physicians
For consultation or to refer a patient call 312.695.VEIN (695.8346).


Vein Center at Northwestern Medicine Central DuPage Hospital
25 N. Winfield Rd., Suite 103
Winfield, IL 60190

Contact Us
To schedule an appointment or inquire about services, please call 630.933.4487. 

Office Hours
Monday-Friday: 8:30a.m. - 4:30p.m. 
Saturday-Sunday: closed

Vein Center at Northwestern Medicine Delnor Hospital
351 Randall Rd, Suite 200 
Geneva, IL 60134

Contact Us 
To schedule an appointment or inquire about services, please call 630.933.4487.

Office Hours 
Monday-Friday: 8:30a.m. - 4:30p.m.
Saturday-Sunday: closed


Related Resources

  • Varicose veins treatments: Find out more information about carious treatments for varicose veins. English | Spanish
  • Varicose Veins - Varicose veins are bulging, ropey and often painful veins that occur most commonly in the legs, but can appear anywhere in the body.