Influenza A is a type A influenza caused by infection with the influenza A virus. If a young person with a strong resistance gets influenza A, he or she may recover on his or her own. However, for older people with lower immunity, treatment is needed to cure it. Influenza A is a relatively common respiratory disease, often with rapid onset, with a certain degree of contagiousness, can involve the upper respiratory tract, lower respiratory tract, the main symptoms include headache, fever, cough, sore throat, muscle pain, fatigue and general malaise. Generally, young people have stronger resistance and may recover from influenza A on their own. If the elderly get influenza A, due to poor resistance and low autoimmunity, it is easy to develop into a serious illness, and they need to cooperate with professional doctors as soon as possible to carry out antiviral treatment, and commonly used medicines include oseltamivir phosphate and other symptomatic treatments. If you have influenza A, it is recommended that you go to a regular hospital as soon as possible for consultation and treatment to avoid aggravation of your condition. At the same time, we should also pay attention to the regulation of diet, to light food, do not eat too spicy, stimulating food, to help the recovery of the condition.