Deriphyllin Tablet is a bronchodilator that relaxes the muscles of the airways and improves breathing. It contains Etofylline and Theophylline and is used for asthma, wheezing, chest tightness and other respiratory conditions. Learn about its composition, price, substitutes, contraindications, side effects and interactions. Deriphyllin tablet is used to treat lungs and airway-related disorders such as asthma or chronic obstructive pulmonary disease (COPD). This tablet is a combination of etofylline and theophylline as active ingredients. Deriphyllin Retard 150 Tablet PR is a combination of two bronchodilators that relax the airways and treat asthma and COPD. Learn about its benefits, common side effects, safety advice, and how to use it correctly. Deriphyllin Tablet is a combination of etofylline and theophylline used to treat lung diseases like asthma and COPD. It may cause serious side effects, interact with many medicines and caffeine, and is not recommended for pregnant or breastfeeding women.