Problem:
Theophylline has been used in the treatment of COPD for seven decades. With the advent of better tolerated medications. However it is still utilized with appropriate patients with DOPD. As you consider the addition of Theophyllin for your COPD with condideration that Theophylline (Theo-24) can interact with ALL of the following drugs EXCEPT: A. Dilantin B. Tagamet C. Erythromycin D. Montelukas