Description Cetirizine Tablet is an anti-allergic medication and is used to treat symptoms associated with allergies such as itching, sneezing, watery eyes, running nose, rashes, and pale red bumps. It contains cetirizine as its active ingredient. Take as directed by the doctor and in doses and duration as prescribed. Adults and children 6 years and older: One 10 mg tablet once daily; do not take more than one 10 mg tablet in 24 hours. A 5 mg product may be appropriate for less severe symptoms. 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 ... Cetirizine is a second generation antihistamine that reduces the natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose. Cetirizine is used to treat cold or allergy symptoms such as sneezing, itching, watery eyes, or runny nose.