Theoglate Theophylline Erythromycin
ModerateTaking erythromycin if you are on a high dose of theophylline can raise the level of theophylline in your blood. This may lead to theophylline toxicity.
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.