Preparing questions in advance can help patients to have more meaningful discussions with their physicians. Patients may wish to ask their doctors the following theophylline-related questions:

1. Theophylline appears to be a controversial drug. Is it safe for me to take?
   
   
2. What risks do I face by taking theophylline?
   
   
3. What side effects may I develop while using theophylline?
   
   
4. What symptoms indicate an overdose of theophylline? What should I do if I experience these symptoms?
   
   
5. What types of drugs/other substances should I avoid while taking theophylline?
   
   
6. How and when should I use this drug?
   
   
7. What should I do if I miss a dose?
   
   
8. How long will it take for the drug to take effect? How will I know if the drug is working?
   
   
9. How long will I have to take the drug?
   
   
10. Will I require frequent blood tests while taking this drug? If so, how often?
    
    
11. Can I use the drug more often if my symptoms persist?
    
    
12. Can I use the drug less often if I feel better?
    
    
13. Is there a chance the drug will not be effective in relieving my symptoms?