Dexamethasone can generally be combined with ribavirin, and there is no contraindication to adverse reactions between them. Dexamethasone is an adrenocorticotropic hormone drug with anti-allergic and anti-inflammatory effects, and is generally used for the treatment of dermatitis, hives, asthma, drug allergic reactions and other allergic diseases. Ribavirin is a broad-spectrum, potent antiviral drug that is generally used to treat diseases caused by viral infections. The two drugs are usually used together in the clinic, there is no contraindication between them, and they will not form toxin substances, and will not cause great impact on health. Because of the different mechanisms of action of the two drugs, there is no obvious interaction. The combined use of the two drugs can enhance the efficacy and reduce the side effects of ribavirin for the treatment of influenza, especially for the symptoms of influenza viruses of A, B and C types. In conclusion, dexamethasone and ribavirin need to be used in accordance with medical advice and medical examination and treatment when necessary.