The main advantage of Closartan Potassium is its ability to treat essential hypertension, while the disadvantages include abdominal pain, fatigue, chest pain, palpitations (rapid heartbeat, often accompanied by panic), nausea and other discomforts after taking it. 1. Advantages: clinically, chlorosartan potassium belongs to angiotensin II receptor antagonist, after taking it, it can inhibit vasodilatation, as well as inhibit the release of aldosterone. Secondly, it can also stimulate the proliferation of smooth muscle cells, so as to achieve the effect of lowering blood pressure, so it is mainly used in the treatment of essential hypertension. 2. Disadvantages: Usually, after taking Closatan potassium, abdominal pain, fatigue, chest pain, palpitations, nausea and other discomforts may occur. It is forbidden for those who are allergic to the components of this drug, middle and late pregnant women, and those with severe liver function impairment. In the process of use, attention should be paid to hypotension, electrolytes, liver and kidney function impairment. And pregnant women, the elderly, children need to use the drug under medical supervision. When due to the condition need to take Chlorosartan Potassium for treatment, it is recommended to decide the dosage of the drug and learn the precautions after a comprehensive assessment of the condition by a doctor.