Furosemide can be tolerated by most people after short-term use and no obvious adverse reactions will occur, but a small number of people can have the following symptoms after taking it: 1. gastrointestinal symptoms, commonly nausea, dry vomiting or diarrhea, and in serious cases, pancreatitis. 2. skin rash, itching, yellow vision, blurred vision, headache, dizziness and other symptoms can also occur after taking the drug. 3. The most serious is hypokalemia and severe hyponatremia, causing unbearable thirst, weakness, abdominal distension and other symptoms. 4.Furosemide can cause blood system diseases such as thrombocytopenia and aplastic anemia, and also lead to disorders of glucose and lipid metabolism in the body, so it is extremely unfriendly to patients with hyperglycemia and hyperlipidemia, and an overdose of furosemide can cause kidney Furosemide can cause kidney damage after overdose.