Hydrochlorothiazide tablets belong to thiazide diuretics, for the first line of antihypertensive drugs, is currently widely used, alias dihydrochlorothiazide, dihydroketuxia, dihydrochlorosandia, dihydrochlorosandia, dihydrochlorosandia, the more widely used alias is mainly dihydroketuxia. This drug is used in the clinic for the treatment of hypertension, but also for the treatment of cardiogenic edema, for non-cardiogenic edema also has a certain therapeutic effect. After long-term use of this drug, patients may experience nausea, vomiting, fatigue, dizziness, hypokalemia, hyperglycemia, this drug is recommended to stop gradually reduce the dose of discontinuation, sudden stopping the drug may cause sodium, chlorine and water retention.