Red marks, acne, veins and rosacea

Thread veins (also known as spider veins or telangiectasia) is the name given to the tiny blue, purple or red thread-like vessels close to the skin surface. They can cause immense distress, often disproportionate to their size. Their cause is undetermined, but some individuals inherit the tendency, especially if they develop at an early age. Thread veins can be a prominent contributor to the redness of rosacea. Standing for long periods, pregnancy, hormonal activity and being overweight may be contributing factors. Some sufferers are so embarrassed by leg veins that they will not expose their legs, and many activities such as swimming and tennis are curtailed. The ideal method of treatment of thread veins depends on their size. There are two methods, laser therapy and sclerotherapy. Mr Gault does not use sclerotherapy on the face but in other areas, it is quite normal to use both techniques at different times. Those on the face do best of all; those on the legs are more difficult to treat and some lesions cannot be treated at all but in general a worthwhile improvement can be gained.

Port wine stains are flat purplish birthmarks which can be found anywhere on the face and body. The stains are caused by abnormal clumps of tiny blood vessels within the skin.

Port wine stains and thread veins are best treated by the pulse dye laser. The laser light targets blood in the vessels, destroying them whilst leaving surrounding structures in the skin undamaged. A small area called a test patch is first treated, and the results examined in about six weeks time. If the vessels have cleared, then further treatment can be arranged. Usually no anaesthetic is necessary; an anaesthetic cream can make the procedure more comfortable. After pulse dye laser treatment there is always some bruising where the laser beam has struck - the tiny circular purple patches can last for up to fourteen days and sometimes for longer. The Diolite laser can also be used to treat some thread veins without bruising.  If the problem area is tanned, it is best to wait for the tan to fade before having treatment. Repeated treatments may be necessary and 100% clearing cannot be expected. With full treatment, 60 - 80% clearing is typical. If the area to be treated is very small, it may be neither practical nor necessary to carry out a test patch.

Sclerotherapy

Slightly larger thread veins are treated by injection of an irritant liquid which destroys them - the technique is known as microinjection sclerotherapy. A very fine needle is inserted into the vein under magnification. The walls of the vein are irritated by the solution and swell, blocking the vein. Redness and welting over the treated area takes several days to disappear and the veins slowly fade over the course of around six weeks. The injection may sting a little. Some areas must be treated several times, at six week intervals. Occasionally, blood leaks out of newly treated veins and converts to a brown pigment (haemosiderin) which, in the legs, can leave a stain. Again, it is sensible to treat a test patch at the first sitting.

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Side effects from sclerotherapy are usually minimal, but may include:

With both techniques, the risk of pigmentation is greater if the skin is exposed to the sun after treatment, and it is wise to wear a TOTAL sunblock on the treated area for at least six weeks, and then to avoid excessive sun exposure for a further six months.

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