This situation can be taken at the same time. Furosemide is a powerful diuretic, which can excrete potassium and induce diuresis, while spironolactone is a potassium-preserving diuretic. When two drugs are used together, hypokalemia can be avoided. However, when the two drugs are used together, it may lead to hypotension. Therefore, it is necessary to take drugs and doses under the guidance of a doctor.