Calcium Hydroxybenzenesulfonate Capsules acts to regulate the physiological function of microvascular walls, thus preventing thrombosis, and can also reduce edema. The main ingredient of Calcium Hydroxybenzenesulfonate Capsules is Calcium Hydroxybenzenesulfonate, which belongs to a kind of capillary protection drug. Its main purpose is to prevent thrombosis by regulating the physiological function of microvascular wall, reducing resistance, lowering plasma viscosity and platelet hyperaggregation. It can also improve erythrocyte flexibility, indirectly increase lymphatic drainage, and play a role in reducing edema. At present, it is commonly used clinically in the treatment of microvascular disease, the treatment of varicose vein syndrome, the treatment of venous insufficiency associated with microcirculation disorders and the adjunctive treatment of vein stripping and phlebosclerosis method. Those who are allergic to calcium hydroxybenzenesulfonate capsule, pregnant women, lactating women, need to be contraindicated. Some patients may experience nausea, diarrhea, stomach upset and other symptoms while taking the drug. Patients using Calcium Hydroxybenzenesulfonate Capsules, need to be under the guidance of a doctor, do not take the drug without authorization, so as not to damage your health.