Spironolactone tablets can be taken alone. Spironolactone tablets belong to potassium-preserving diuretics, which have the effect of sodium excretion, drainage and potassium preservation, and are widely used in patients with hypertension and heart failure. However, it is contraindicated for hyperkalemia, acute renal insufficiency, and allergy to sulfonamides and this product. The most common adverse reaction of using this drug is the increase of blood potassium, during the process of using the drug, we should pay attention to monitor the blood potassium and urine volume, in order to avoid hyperkalemia leading to cardiac arrhythmia or even cardiac arrest, the patient can start to take a small dose, take it after a meal or meal, and reduce the food that contains high potassium, such as potatoes, bananas and so on. When this product is used for the treatment of different diseases and the severity of the disease, the dosage will be adjusted at any time, please use it under the guidance of physician to avoid unauthorized abuse.