999 pediatric cold and flu pellets for children can cure the disease in about 1 week after the common cold, but if the child’s condition is more serious and symptoms of influenza appear, the course of the disease may reach 2 weeks. 999 pediatric cold and flu pellets mainly treat symptoms such as nasal congestion, runny nose, fever and sore throat caused by the cold and flu, and its effect is to relieve these disease symptoms. However, this drug is not very effective in treating colds because most colds are caused by bacterial or viral infections and treatment requires the use of drugs for the pathogens. If it is a bacterial infection you need to combine antibiotics, if it is caused by a viral infection you can choose antiviral drugs for treatment, so the course of treatment may be shortened.