Oral antiviral solutions do not prevent the flu. Antiviral Oral Liquid has the effect of clearing away heat and dampness, cooling the blood and detoxifying the toxin (referring to the treatment of blood heat and toxin), and is mainly used for the treatment of wind-heat colds and influenza symptoms, which manifests itself as fever, slight malignant winds, sweating, dry mouth, runny nose, sore throat, and coughing and vomiting of yellow phlegm, etc. Though most of the colds are due to viruses, the administration of this product is not useful in preventing the influenza. Antiviral Oral Liquid is prohibited for patients who are allergic to any of the ingredients, pregnant women, lactating women are prohibited; avoid smoking, alcohol and spicy, cold, greasy food during the medication, should not be used at the same time with tonic traditional Chinese medicine; allergies, children, old and frail, cold spleen and stomach (spleen and stomach weak cold) diarrhea, use with caution. Antiviral oral solution of adverse reactions is not clear, also should not be used for a long time, taking the drug for 3 days without symptomatic relief, should immediately consult a doctor, if you need to use this product, please consult a professional doctor, follow the doctor’s instructions for reasonable use of medication.