What are the side effects of sclerotherapy of spider veins?
a. You may experience mild itching along the vein route. This itching normally lasts 1 to 2 days. b. A few patients may experience mild to moderate pain and some bruising, usually at the site of the injection. The veins may be tender to the touch after treatment and an uncomfortable sensation may run along the vein route. This pain is usually temporary, in most cases lasting no more than 3 days. c. Slight blistering may occur around the injected vessels. d. 10% – 30% of patients develop a small freckle-like tan to brown spot around the injected vessel. This usually resolves in 80% of these patients within 6 – 12 months. A few patients will have a persistent freckle. e. Slight stinging or burning may occur with the injection. f. Sometimes a clot develops at the injection site. These typically do not require treatment. g. Swelling over the injection site may rarely occur. h. A small superficial ulceration of the skin overlying the injected vessel may occur. This does not usually leave a
