Glozal 5mg film coated tablet contains an active ingredient 5mg of levocetirizine dihydrochloride which is an antihistamine medicine. It is used widely to relieve allergic symptoms like runny nose, sneezing, redness of your nose, watery eyes, itching, rash and hives (raised bumps on your skin). It stops the action of a natural substance called histamine produced in your body during an allergic reaction. Glozal 5mg tablets works by stopping the action of a natural substance produced in your body called histamine which is responsible for causing allergic symptoms.