Ribavirin medication can be taken by 1 year olds and needs to be taken under medical supervision and adult supervision. Ribavirin is an antiviral drug that hinders the synthesis of viral nucleic acids. Ribavirin granular preparations are useful in the treatment of influenza in children, herpes simplex in children and respiratory syncytial virus infections in children. Ribavirin medication has some adverse effects, such as gastrointestinal irritation, rash, dizziness, fatigue, attention deficit disorder, etc. In severe cases, respiratory distress, hemolytic anemia, and depression can occur. For children with severe anemia, psychosis, heart disease, pancreatitis should be prohibited. One year old children after taking ribavirin drug, the occurrence of the above adverse reactions need to immediately stop the drug, and promptly go to the hospital for examination and treatment.