1 AL 10 Tablet contains levocetirizine 10 mg, an antihistamine used to treat allergy-related symptoms such as sneezing, runny nose, itchy or watery eyes, and skin allergies. It is not used to treat the common cold itself or the viral infection causing it. However, it may help relieve symptoms like sneezing or a runny nose if they are due to allergies or have an allergic component. For cold symptoms, it is best to consult a doctor for appropriate evaluation and treatment.