Itchy eyes and nose and frequent sneezing may be related to allergic diseases such as allergic conjunctivitis and allergic rhinitis, or may be related to viral colds and other factors.1. Allergic conjunctivitis: Usually related to hand contact with pollen, dust, or animal dander from cats and dogs, and repeatedly rubbing the eyes with the hands, resulting in eye allergy. It is often manifested as itchy eyes and nose, but also often sneezing and other symptoms. If the above symptoms occur after contact with allergens, you should promptly go to the hospital for allergen testing and targeted avoidance of contact with your own allergens in daily life. If the symptoms are more serious, you can also be treated by oral anti-allergy drugs, such as loratadine dispersible tablets, cetirizine hydrochloride tablets, which usually have a certain alleviating effect; 2. Allergic rhinitis: usually related to genetics, or long-term consumption of peanuts, nuts, eggs, milk and other foods, resulting in allergies in the body. Often manifested as itchy eyes and nose, but also often sneezing and other symptoms. You should try to avoid eating the above-mentioned food again, and follow the doctor’s instructions for appropriate oral antihistamines such as cetirizine hydrochloride tablets for treatment; 3, viral cold: mainly due to viral infection, usually manifested as itchy eyes and nose, but also often sneezing, nasal congestion and other symptoms, may also be accompanied by weakness of the limbs, fever, etc., can generally be treated by oral antiviral drugs, such as antiviral oral solution, cotrimoxazole tablets.