Level 2: 1. Symptoms and manifestations of allergic rhinitis in infants 2. Causes of allergic rhinitis in infants 3. How to prevent allergic rhinitis in infants 4. Methods of treating allergic rhinitis in infants 1. Symptoms and manifestations of allergic rhinitis in infants 1. Frequent injections Sneezing: Frequent sneezing can occur due to irritation of the mucous membranes. 2. Watery nasal discharge: Due to the increase in mucosal secretions, the discharged nasal discharge appears watery. 3. Nasal congestion: Due to swelling of the mucous membrane, the nasal passages are narrowed, resulting in difficulty breathing. 4. Eye discomfort: eyes