Influenza A can be oral ibuprofen and other antipyretic and analgesic drugs, dextromethorphan hydrobromide and other cough expectorant drugs, severe oral oseltamivir and other antiviral drugs, and a light diet. 1. Antipyretic and analgesic drugs. When you have influenza A, you may have fever, body aches and pains, etc. You can take acetaminophen, ibuprofen and other medicines to relieve the symptoms. 2. Cough expectorants. If cough symptoms occur, you can take oral dextromethorphan hydrobromide, pentoxyverine citrate and other cough suppressants, as well as ambroxol, bromhexine and other expectorants. 3. Antiviral drugs. In general, people with mild symptoms do not need to take oral antiviral drugs, while people at high risk of severe disease and those with more severe conditions can take oral antiviral treatment with neuraminidase inhibitors such as oseltamivir. In addition, you need to eat a light diet, eat more fresh fruits and vegetables, drink more porridge, egg soup, milk and other liquid food during acute infection, and eat less spicy and greasy food. When suffering from influenza A, you need to seek medical treatment in time. Drugs need to be applied under the guidance of a doctor, and should not be used arbitrarily on their own.