Allercet L 5 MG Tablet is an antihistamine medication. It is utilized 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. Allercet L 5 MG Tablet is generally safe to use. However, it may cause some side effects like drowsiness, dry mouth, headache, and tiredness. These symptoms are mild and subside with time. You may take Allercet L 5 MG Tablet with or without food. It is preferably taken in the evening. The dose and duration will depend on the condition you are taking it for. Consult your doctor if there is no improvement in your symptoms after the treatment. Do not increase the dose or take this tablet more often than recommended by your doctor.