system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
All of the following statements regarding theophylline are true, except:
assistant
The correct answer is  Theophylline is a methylxanthine, used in the treatment of bronchial asthma. Its dose has to be reduced in elderly (age > 60 years), in congestive hea failure, pneumonia and liver failure.