How can I tell the difference between a cold and allergic rhinitis?

　　Do you have a fever?　　Cold: Fever may occur at the same time as a cold.　　Allergic rhinitis: It does not cause fever. Ma Zhaoxin, Department of Otolaryngology, Shanghai Oriental Hospital Do you have itchy eyes and nose?　　Cold: No.　　Allergic rhinitis: usually yes.　　Do your symptoms last more than 7-10 days?　　Cold: Usually no more than 7-10 days.　　Allergic rhinitis: Symptoms can last for weeks or months.　　Are your symptoms seasonal?　　Cold: Not seasonal.　　Allergic rhinitis: Symptoms of rhinitis can occur at the same time each year.