Asklerol 3% Injection is a prescription medicine used in the treatment of varicose veins. It is a sclerosing agent that damages the layer of blood vessels, leading to platelet aggregation. This will lead to an occluded vessel and then it is finally replaced with connective tissue. Asklerol 3% Injection is given by your doctor or nurse. The dose you are given will depend on your condition and how you respond to the medicine. You should keep taking this medicine for as long as your doctor recommends. If you stop treatment too early your symptoms may come back and your condition may worsen. Let your doctor know about all other medications you are taking as some may affect, or be affected by this medicine. The most common side effects are pain or discomfort in extremity, injection site swelling or pain, and superficial thrombophlebitis. Most of these are temporary and usually resolve with time. Contact your doctor straight away if you are at all concerned about any of these side effects. This medicine should not be used in pregnant women. Before taking it, you should tell your doctor if you have any kidney or liver diseases so that your doctor can prescribe a suitable dose for you.