The advantages of valsartan hydrochlorothiazide tablets are mainly that they can treat mild to moderate essential hypertension, while the disadvantages are mainly that they can cause side effects such as dizziness. This product is a compound preparation, and its advantage is that it can antagonize the angiotensin receptor and act on the distal tubules of the kidneys, which can dilate blood vessels, reduce blood pressure and increase diuresis, so as to achieve the effect of lowering blood pressure. The disadvantage is that adverse reactions such as hypokalemia, dizziness, headache, visual disturbances, and induction or aggravation of gout may occur after administration. It is contraindicated in patients with severe hepatic and renal insufficiency, and should be used with caution in pregnant women, the elderly and those allergic to sulfonamides. Drugs need to be used under the guidance of a doctor, do not take it blindly on your own.