G Cimetidine Cimetidine Doxophylline
ModerateTaking cimetidine with doxophylline (like other medicines such as TAO) can reduce how the liver clears doxophylline, which can raise the level of the medicine in your blood.
These medicines are often taken together with some care. Your doctor may change a dose, space them apart or check on you more often. Make sure your doctor and pharmacist know you take both.