It is best not to take 999 cold flush during breastfeeding, 999 cold flush contains a certain amount of Chinese and Western medicine ingredients, its western medicine ingredients are mainly caffeine, acetaminophen and chlorpheniramine, these drugs have a certain impact on the fetus and the baby, so it is best not to take 999 cold flush during breastfeeding. If you take 999 cold and flu, it is safer to stop breastfeeding for 24 hours. It can be treated orally with Banlangen, which has less impact on the child. Banlangen is a kind of Chinese medicine, which has little impact on breastfeeding and has the effect of clearing heat and relieving cold symptoms, so you can take Banlangen granules for treatment during breastfeeding. In addition, when you have cold symptoms during breastfeeding, you must drink more water and eat more fresh fruits and vegetables to help promote the recovery of cold symptoms, because the vitamin content in vegetables and fruits is particularly high.