Generic name of Daiwen is Valsartan Capsules, the drug can produce antihypertensive effect in 2~4 hours, and the drug can be used for about 2 weeks to achieve the exact effect of antihypertensive, and can stabilize the lowering of blood pressure. Valsartan capsules have the effect of inhibiting peripheral vasoconstriction as well as promoting the excretion of water and sodium, and are mainly used in the treatment of primary mild to moderate hypertension. The antihypertensive effect can be exerted 2~4 hours after taking this product, and a stable antihypertensive effect can be observed after 2 weeks of taking this product, and the maximum antihypertensive effect can be achieved after 4 weeks of taking this product. If the maximum antihypertensive effect is still unsatisfactory, diuretics may be added. Adverse reactions of this product include fatigue, abdominal pain, cough, dizziness, etc. It is contraindicated for those who are allergic to valsartan and pregnant women. Please follow the doctor’s instructions to adhere to the medication, if the effect is not satisfactory can be increased under the guidance of the physician or change the drug.