One year and nine months old baby runny nose more cough consider cold and cold caused by the need to strengthen the care, if necessary, you can use cold medicine pediatric aminophenol huangnamin particles, hydrochloride oral solution drugs to treat. One year and nine months of the baby immunity is not particularly strong, easy to be affected by the outside world, runny nose cough is generally caused by cold, usually pay attention to strengthen the daily care, such as avoiding cold, pay attention to warmth, to maintain indoor air circulation and environmental cleanliness and hygiene, the diet should be light and so on. If the general treatment does not relieve, you can give your child the use of pediatric aminophenol xuanamin granules treatment, pay attention to the side effects of the drug, such as fatigue, nausea, dizziness and other adverse reactions. In the inflammatory stimulation of the respiratory tract secretion will become more, cough belongs to the respiratory tract response, through coughing will be discharged secretion, coughing can be used to alleviate the symptoms of aminoglutethimide hydrochloride oral solution, but need to pay attention to the side effects of the drug, such as diarrhea, nausea, and a very small number of people may have skin allergies and other adverse reactions. One year and nine months old baby runny nose more cough may also have other reasons, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, give targeted treatment or treatment. The use of medication should follow the doctor’s instructions.