Diosmin is also called Alvenor. It is a kind of drug for the treatment of hemorrhoid symptoms related to acute episodes, can also be used in the treatment of symptoms associated with venous lymphatic insufficiency (leg heavy, pain, morning acid swells discomfort).Diosmin hesperidin is a plant chemical that is classified as a "bioflavonoid". It is found primarily in citrus fruits. People use it asmedicine.Hesperidin alone, or in combination with other citrus bioflavonoids (diosmin, for example), is most often used for bloodvessel conditions such as hemorrhoids,varicose veins, and poor circulation (venous stasis). It is also used to treat lymphedema, a condition involving fluid retention that can be a complication of breast cancer surgery.