Diosmin is generally not recommended for long-term use. Diosmin is an increased venous tone drug and vasoprotective agent, which can reduce venous dilatation and venous blood stagnation, enhance capillary resistance and so on and thus play a role. It is mainly used for the treatment of soft tissue swelling and limb pain caused by venous and lymphatic insufficiency, and also for the treatment of itching, blood in the stool and pain caused by acute hemorrhoidal attack. Diosmin is often used as an adjunctive medication and does not play a decisive role in the condition. It is usually not necessary to take for a long time, if the symptoms can not be eliminated after the use of Diosmin, you should consult a doctor. Mild gastrointestinal reactions may occur during the use of the drug, and it is not necessary to interrupt the treatment. It is forbidden to use it if you are allergic to any of the components of the product. The drug should be applied under medical supervision.