<unk>  is a sclerosing agent that is FDA approved for the treatment of uncomplicated spider veins (varicose veins ≤1 mm in diameter) and uncomplicated reticular veins (varicose veins 1 to 3 mm in diameter) in the lower extremity.   Common adverse reactions include mild local reactions at the site of injection.
Polidocanol
Ethenzamide
Oxatomide
Mebhydrolin
Pentifylline
Tioclomarol
Pirisudanol
Clofedanol