Calcium Hydroxybenzenesulfonate Capsules instructions dosage is one capsule at a time and four capsules at a time is considered an overdose. However, the drug is well tolerated, with occasional symptoms such as stomach discomfort, nausea and heartburn after administration. If there is no obvious adverse reaction after overdose, it is recommended to drink more water to promote excretion; if there is a serious adverse reaction, it is recommended to go to the hospital to wash the stomach or symptomatic treatment under the guidance of the doctor. Calcium hydroxybenzenesulfonate capsule is a capillary protection drug, mainly used in the treatment of microvascular disease, treatment of varicose vein syndrome, treatment of venous insufficiency associated with microcirculation disorders and adjuvant treatment of vein stripping and venous sclerosis method. Adverse reactions to Calcium Hydroxybenzenesulfonate Capsules include gastrointestinal reactions such as gastric discomfort, nausea, heartburn, decreased appetite, etc. Other adverse reactions include skin reactions, fever, arthralgia, and granulocytopenia. In addition, it is contraindicated in patients who are allergic to the ingredients contained in Calcium Hydroxybenzenesulfonate Capsules, and the use of the drug in pregnant and lactating women is not clear. If you need to use Calcium Hydroxybenzenesulfonate Capsules, it is recommended to consult a professional doctor and follow the doctor’s instructions for standardized treatment, not blindly use the drug on your own.