Spironolactone tablets can cure hypertension. Clinically, spironolactone tablets belong to the potassium-preserving diuretic drugs, which can inhibit the secretion of aldosterone, thus reducing the extracellular volume and lowering the peripheral vascular resistance, making the blood pressure drop. In the clinical mainly as hypertension, primary aldosteronism and other diseases treatment. The drug may cause nausea, vomiting, hyperkalemia, stomach cramps, diarrhea and other discomforts after taking it. Therefore, it is forbidden to use it in patients with hyperkalemia. Meanwhile, it should be used with caution for those with anuria, renal insufficiency, hepatic insufficiency and hyponatremia. And pregnant women and lactating women, need to use the drug under the guidance of the doctor. If you need to take spironolactone tablets for antihypertensive treatment, it is recommended to consult the cardiovascular internal medicine department in a timely manner, after the doctor comprehensively evaluates the condition, to decide the dosage of the drug and learn the precautions.