I’ve been having a cold for a long time, I’ve been suffering from nasal congestion, itchy nose, runny nose, sneezing, itchy eyes, I’ve been to the internal medicine department, and I’ve been prescribed a lot of cold medicine, but it doesn’t help. Can you help me to see why I can’t get rid of this cold?” After carefully inquiring about the patient’s medical history, the patient would repeatedly have nasal congestion, sneezing and clear water snot every year during the spring and summer seasons, and sometimes his eyes would itch, especially in the morning when he would sneeze continuously for more than 10 times, and sometimes he would sneeze continuously during daytime meetings with clients, with tears and snot flowing together, which greatly affected his image and quality of life, but he never had a fever, and cold medicine was ineffective, and it usually lasted 1-2 months before he slowly improved. A detailed physical examination was done: the nasal septum was centered, the mucosa of the bilateral inferior turbinates was obviously pale and edematous, combined with routine blood tests and smear tests of nasal secretions indicated an increase in eosinophils, and allergen tests indicated dust mite allergy. The patient was prescribed nasal steroids and was instructed to take the medication regularly. 2 weeks later, the patient came back to the doctor and told him that his symptoms had improved significantly and his quality of life had improved. So, many patients want to know, “How do I know if I have a cold or allergic rhinitis? Is there a simple way to tell? Here are a few preliminary ways to identify 1. fever: colds are often accompanied by fever, while allergic rhinitis is usually not 2. itching of the eyes, ears, nasal passages: colds are usually not, while allergic rhinitis often has 3. seasonality: colds usually occur independently of the season, while allergic rhinitis usually has a clear connection with the season 4. duration of illness: colds usually heal within a week, while allergic rhinitis usually lasts several weeks If you can’t tell exactly, please consult your specialist for allergen screening, which can identify potential allergens and prevent them, and can effectively improve your symptoms.