Breastfeeding can usually be resumed about 2 days after taking Levofloxacin Lactate and may be resumed under doctor’s supervision. The use of the drug during breastfeeding will be metabolized to the baby through the milk, and affect the growth and development of the baby. Levofloxacin Lactate should not be used during breastfeeding because it can cause arthropathy in infants and young children, its half-life is about 6-8 hours, when there is an indication for the use of the drug needs to be used under the guidance of a doctor and suspension of breastfeeding, it is generally recommended to stop the drug about 2 days after the drug concentration in the body to be considered to breastfeeding after the decline. Taking levofloxacin lactate to exclude drug allergies and other contraindications, but also after the use of the drug may appear nausea, vomiting and other adverse reactions. Breastfeeding women appropriate increase in diet camp can promote milk secretion, but also enhance physical fitness. When acute mastitis, upper respiratory tract infection and other conditions need to go to the hospital in a timely manner, and under the guidance of the doctor safe use of medication.