Help your child breathe easier with Kastair EZ 4mg tablets, containing Montelukast. This prescription medication is specifically designed to manage asthma symptoms and relieve allergic rhinitis in children. By blocking certain substances in the body, Kastair EZ helps prevent asthma attacks and reduces allergy symptoms like sneezing, runny nose, and itchy eyes. The 4mg dosage is often prescribed for young children. Always follow your pediatrician's instructions for dosage and use.