An adenovirus infection is an infection caused by an adenovirus. Adenoviruses can infect different parts of the body and cause a variety of illnesses, including the common cold. Symptoms vary depending on the part of the body affected and may include: fever, sore throat, runny nose, cough, earache, conjunctivitis, also known as “red eye,” diarrhea, and hoarseness. Treatment includes: 1. Antiviral treatment: Adenovirus infection is caused by a viral infection and is first treated with antiviral medications, such as ribavirin and interferon. 2. Fever-reducing treatment: If adenovirus infection shows fever symptoms, you should cooperate with your doctor to take fever-reducing drugs, such as ibuprofen or acetaminophen. 3. Cough suppressing treatment: If adenovirus infection shows symptoms of cough, you should cooperate with your doctor to take medicines to suppress cough and reduce phlegm, such as compound licorice tablets, dextromethorphan, and so on. 4. Antidiarrheal treatment: If adenovirus infection shows diarrhea symptoms, you should cooperate with your doctor to take antidiarrheal medicines, such as montelukast. Therefore, after adenovirus infection, it is recommended to go to the Department of Infection or Internal Medicine of specialized hospitals, and actively treat the symptoms with the diagnosis of specialized doctors.