Theophylline is a prescription medication used to treat respiratory conditions, particularly asthma and other lung diseases that cause wheezing, shortness of breath, and chest tightness. It is available under various brand names like Uniphyl and Theo-24. Generic versions are also available. Theophylline belongs to the xanthine bronchodilator class of drugs and relaxes the airway muscles, making breathing easier.
Please note that you will need a prescription from a licensed healthcare provider to obtain this medication.