Levofloxacin should not be used at age 14, but only as an adult. Levofloxacin can inhibit the development of cartilage in children. It leads to underdevelopment of cartilage in children, which may affect the growth and development of children’s health, so levofloxacin can’t be used at the age of 14. At the same time, levofloxacin can exist liver and kidney function damage. It is not recommended for use in this group of children because the liver and kidney function organs are not yet fully developed and may aggravate the damage to these vital organs. Adults over 18 years of age are advised to use Levofloxacin because of the relatively full development of the organism, and it is possible to use Levofloxacin at this time. In addition it should not be used by women during pregnancy. The use of specific drugs is recommended under the supervision of a specialist.