Levofloxacin is recommended at 0.2g twice a day or as a one-time 0.4g tablet to be taken orally each night at bedtime. Levofloxacin is a broad-spectrum antimicrobial agent that is effective for urinary system, respiratory system, skin and soft tissue infections, and diarrhea. It is recommended that you can take levofloxacin for infections, it is a broad-spectrum antimicrobial and works relatively well. If it is a urinary tract infection, you should drink more water while taking levofloxacin. In case of respiratory tract infection, expectorant medication should be used as an adjunct. If there is diarrhea, you should use a combination of Simethicone to relieve the patient’s symptoms faster.