Final answer:
Theophylline should not be taken with beverages that contain caffeine.
Step-by-step explanation:
The correct answer to this question is OD) Avoiding beverages that contain caffeine. Theophylline is a medication used to treat respiratory conditions such as asthma and chronic obstructive pulmonary disease (COPD). It works by relaxing the muscles in the airways, making it easier to breathe. However, theophylline can interact with caffeine and increase the risk of side effects. Therefore, it is important for the client to avoid beverages that contain caffeine, such as coffee, tea, and energy drinks, to prevent any negative interactions.
Learn more about Effects of theophylline