Injection Sclerotherapy for Reticular Veins

What is sclerotherapy?

  • Sclerotherapy is a medical procedure used to eliminate varicose veins and spider veins.
  • Sclerotherapy involves an injection of a solution (generally a salt solution) directly into the vein.
  • The solution irritates the lining of the blood vessel, causing it to collapse and stick together and the blood to clot.
  • Over time, the vessel turns into scar tissue that fades from view.
  • Sclerotherapy is a proven procedure that has been in use since the 1930s.
  • Women patients are not eligible if pregnant. Women on birth control bills are eligible though.
  • Patients with heart conditions should consider using the veins in future for heart bypass &surgery will generally not be considered for sclerotherapy, unless they are already deemed unusable.
  • In most cases of sclerotherapy, is done by injecting the salt solution through a very fine needle directly into the vein.
  • Patient should expect to experience mild discomfort and cramping for one to two minutes, especially when larger veins are injected.
  • The procedure itself takes approximately 15 to 30 minutes, & it requires that patient do not do any aerobic activity for a few days after the procedure.
  • The number of veins injected in one session depends on the size and location of the veins, as well as the general medical condition of the patient.


Prior to sclerotherapy, patients will be instructed to avoid certain medications. Patients should talk to the doctor about all medicines (including over-the-counter drugs, herbs, and dietary supplements) they are taking.

Side effects:

  • Certain side effects after sclerotherapy are expected. There are milder effects, such as itching, which can last for one or two days after the procedure.
  • Also, patient may experience raised, red areas at the injection site and they should disappear within a few days.
  • Bruising may also occur around the injection site and can last several days or weeks.
  • Larger veins that have been injected may become lumpy and hard and may require several months to dissolve and fade.
  • Brown lines or spots may appear at the vein site. In most cases, they disappear within three to six months, but they may also last indefinitely.


  • After sclerotherapy patients will be able to drive himself home and resume their regular daily activities & walking is encouraged.
  • Patients will be instructed to wear support hosiery to "compress" the treated vessels.
  • If you have compression hosiery from previous treatments, you are encouraged to bring them with you to be certain they still have adequate compression.
  • Also, patients should avoid the following for 48 hours after treatment: Hot baths Hot compresses Whirlpools or saunas Direct exposure to sunlight.
  • Showers are permitted, but the water should be cooler than usual. The injection sites may be washed with a mild soap and tepid water.


  • Sclerotherapy Effectiveness Studies have shown that as many as 50%-80% of injected veins may be eliminated with each session of sclerotherapy.
  • Less than 10% of the people who have sclerotherapy do not respond to the injections at all. In these instances, different solutions can be tried.
  • In general, spider veins respond in three to six weeks, and larger veins respond in three to four months.
  • If the veins respond to the treatment, they will not reappear.

Foam Injection sclerotherapy for reticular veins Sometimes a foam version of the solution may be used, particularly when a larger vein is involved.

Foam tends to cover more surface area than liquid.


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