It is normal to experience some bruising in the region treated for about a week after the treatment is carried out. You are also likely to experience pain and aches in the treated region for at least 24 to 48 hours after the treatment. Local anesthesia is normally used for the treatment of spider veins and discomfort during the procedure is minimized in this way. You should be able to return to work and resume normal activities the day after treatment because the procedure is minimally invasive. However, you need to make sure you avoid all strenuous physical activity for about a week following the treatment. The results of visual sclerotherapy are often seen immediately. You may need to wear compression stockings after your treatment to improve blood flow and achieve optimal, long-term results.