Overview: Cetirizine is an antihistamine that is taken to help treat allergy symptoms , such as a runny nose, itchy or watery eyes, sneezing, or an itchy nose or throat. It may also be used to... Cetrizine 10 mg Tablet is used to treat allergies. It contains Cetirizine , which blocks the effects of a chemical messenger known as histamine, which is naturally involved in allergic reactions. It may cause some side effects such as tiredness, feeling sleepy, abdominal pain, headache, dizziness, dry mouth, sore throat, and nausea. Before starting this medicine, inform your doctor if you are pregnant, breastfeeding, taking any other medicines or have pre-existing medical conditions. View ... It relieves watery eyes, runny nose, sneezing, and itching. Cetirizine 10mg Tablet can be taken with or without food. The dose required for you may vary depending on what you are taking it for. This medicine is usually taken in the evening but follow the advice of your doctor on how to take it. Learn about the effectiveness of Cetirizine tablets in alleviating allergy symptoms. Find out the recommended dosage and be aware of possible side effects.