Levofloxacin, if taken three tablets at a time, is an overdose, it is recommended to go to the hospital for testing. Levofloxacin, if taken three tablets at a time, is an overdose, may cause some adverse reactions and side effects, the patient may have liver and kidney function damage, QT interval prolongation, digestive system damage, and so on. At this time, it is recommended to go to the hospital to test the blood routine, liver and kidney function, closely observe whether there are related clinical symptoms, and if necessary, carry out gastric lavage treatment. When taking anti-inflammatory drugs, you must pay attention to the doctor’s instructions for oral use, otherwise it may cause drug poisoning. Once there is a case of misuse, it is recommended to go to the hospital as soon as possible.