Thread Veins (also known as Spider veins, Broken veins or
Telangiectasia) of the leg are a common problem, particularly
affecting women. Small red or purple veins can form anywhere on the
leg and while they do not pose any major health risk, they may
cause discomfort. Many people who have Thread Veins find them
unsightly and embarrassing and often attempt to conceal them with
clothing or resort to cosmetic cover-ups, the results of which are
What causes thread veins?
No one has determined for certain why some people are affected
although long periods of standing or sitting or trauma to the leg,
such as a blow or fall, may contribute to their formation. More
women than men develop this condition, perhaps as a result of
normal hormonal changes such as those that occur in pregnancy.
What is sclerotherapy?
Sclerotherapy is a procedure in which a fine needle is used to
inject a small amount of solution directly into the thread vein.
The solution displaces the blood within the vein, making it blanch
or turn white, and prevents blood from re-entering the
The thread vein will fade within two to eight weeks following
treatment. Some areas may, however, require repeat treatment to
achieve optimum results. An interval of 6-8 weeks is recommended
Is sclerotherapy painful?
Customers who have received this treatment report little
discomfort. Some experience a slight burning sensation immediately
after the injection which lasts a few seconds.
Are there any side effects?
Most customers experience no adverse effects although some minor
side effects have been reported. These include slight swelling
which occurs as a reaction to the injection but this invariable
subsides over 2 -3 days. Swelling may occur in the veins of the
lower leg or ankle. Although not dangerous, this should be treated
at home with elevation.
Occasionally a small dark area of pigmentation resembling a
freckle may remain. These spots usually disappear spontaneously as
will any bruising within 2 - 14 days.
Can thread veins be prevented?
There is no clear cut method of preventing the onset of Thread
Veins, however, some authorities believe that the use of support
hose, weight control and exercise may be beneficial.
* Please note the above treatment may not be
offered by every hospital. Please contact your local hospital
to check if the treatment/service is available in