Clinically, Levofloxacin tablets have the usage of taking two tablets at a time. The specifications of Levofloxacin Tablets are 0.1g, 0.5g, etc., and the dosage varies with different specifications. Adults once 0.1g, 2~3 times a day, when the condition is serious, the dose can be increased, the specific dosage need to strictly follow the doctor’s instructions. Levofloxacin tablets are quinolone antibacterial drugs, can be used for sensitive gram-negative bacteria and gram-positive bacteria caused by the respiratory system, urinary system, digestive system and otolaryngology infections and gonococcus, Chlamydia trachomatis caused by the urethritis, cervicitis. Levofloxacin tablets are used for oral administration, and the common specifications in the market are different tablets such as 0.1g and 0.5g. Adults can take 0.1g at one time, two to three times a day. When the disease is more serious, the maximum dose can be increased to 0.6g a day, divided into 3 times to take, can be according to the type of infection and symptoms by the doctor to appropriate increase or decrease the dose. It is prohibited for those who are allergic to quinolones, pregnant and lactating women, and patients under 18 years old. Some patients may experience gastrointestinal reactions such as diarrhea, abdominal pain, nausea, etc. when taking Levofloxacin Tablets, and may also experience dizziness, rash, itchy skin, arthralgia, and tendon rupture, etc. In case of severe or persistent discomfort, consult a doctor promptly, and if necessary, be treated accordingly by a doctor. Levofloxacin is a prescription drug, it is recommended that patients follow the doctor’s instructions to use, do not increase or decrease the dose of the drug without authorization, in order to avoid serious consequences.