Theophylline (Theophyllinum; list B) - alkaloid contained in the tea leaves and coffee beans; spasmolytic agent. Increase coronary vessels and bronchi, stimulates the Central nervous system, has a diuretic effect. Theophylline is used to coronary insufficiency and bronchial asthma inside or per rectum in a candle to 0.1-0.2 g 3-4 times a day. Higher doses: single 0.4 g daily 1-2, With the use of theophylline possible side effects: heartburn, vomiting, diarrhea, headache, convulsions. The release form: powder. Part of aminophylline (see), teofedrina and antamina. Cm. also Antispasmodic.