It is recommended to stop taking levofloxacin when insomnia occurs. It may be a side effect of the drug, and some patients may induce seizures after using the drug, so it is generally used with caution when there are seizures. Also caution or discontinuation is generally recommended if you have cerebrovascular disease, such as cerebral hemorrhage and cerebral infarction. This drug is an antibacterial drug mainly used for bacterial infections, such as urinary tract infections, and also if the patient has a lung infection. The medication must be administered slowly. If the medication is administered too quickly, it may cause local skin redness, or various discomforts such as tingling. If any of these symptoms occur, the medication must be slowed down and the symptoms may be relieved, and if necessary, the medication should be discontinued.