Telekast-10 Tablet is used to treat seasonal allergies and asthma. It contains Montelukast, which reduces inflammation and swelling of airways in the lungs. This makes breathing easier and prevents asthma attacks. In some cases, it may cause common side effects, such as diarrhoea, headache, abdominal cramps, flu-like symptoms, nausea, dizziness, and vomiting. Before taking this medicine, you should tell your doctor if you are allergic to any of its components or if you are pregnant/breastfeeding, and about all the medications you are taking and pre-existing medical conditions
