| Pharmaceutical active ingredients: |
| Theophylline |
| Available forms, composition and doses of Duraphyllin CR: |
| Capsules, Controlled Release; Oral; Theophylline 150 mgCapsules, Controlled Release; Oral; Theophylline 400 mg |
| Duraphyllin CR medical category: |
| Human:Antiasthmatic and COPD preparationsRespiratory smooth muscle relaxants |
| Indications and usages, anatomical therapeutic chemical and diseases classification codes: |
| R03DA04 - Theophylline |
| Pharmaceutical companies: manufacturers, researchers, developers, local distributors and suppliers: |
| Merck |