Causes & Symptoms

What causes varicose & spider veins?

The exact cause of varicose and spider veins is unknown, though research has suggested that genetics, obesity, hormones, a history of blood clots, and occupations that require a lot of standing contribute to the severity of the condition.


  • Visible discoloration and/or bulging veins
  • Achey or heavy feeling in the problem area, commonly the legs
  • Burning, throbbing, muscle cramping and swelling
  • Worsened pain after sitting or standing for a long time
  • Itching around one or more of your veins
  • mild, dull discomfort or burning sensation