Moxifloxacin hydrochloride tablets belong to the quinolone class of antibiotics and are taken for different durations depending on the type of infection and the degree of infection. When used to treat infectious diseases, the longest duration may be up to 21 consecutive days, which is a course of treatment of 3 weeks. Moxifloxacin hydrochloride tablets are used to treat acute attacks of chronic bronchitis or simple skin soft tissue infections, the course of treatment is 5-7 days in a row, and if treating pneumonia it may take about 1-2 weeks. In rare cases, moxifloxacin hydrochloride tablets can also be used to treat plague, usually for 10-14 days, and may be used in patients with mild liver and kidney abnormalities.