Unicontin 400mg Tablet is used to manage chronic respiratory conditions such as asthma and chronic obstructive pulmonary disease (COPD). The active ingredient, Theophylline, helps to relax the muscles in the airways, making it easier to breathe by widening the airways. The "extended-release" formulation ensures a prolonged effect, reducing the need for frequent dosing. This pack contains 100 tablets. Always follow the prescribed dosage and consult a healthcare provider for proper use.