You searched for nuelin-sr 300 Did you mean? Nuelin-sr 200 Nuelin-sr 250 Nupentin 300 Nuelin Quetia 300 1 results THEOPHYLLINEBody system: Respiratory System Oral theophylline 133.3 mg/25 mL oral liquid, 500 mL theophylline 250 mg modified release tablet, 100 theophylline 200 mg modified release tablet, 100 theophylline 300 mg modified release tablet, 100