Furamid Frusemide Theophylline
ModerateTaking frusemide can slow down how quickly your body clears theophylline. Because of this, you may need a lower dose of theophylline to help avoid side effects.
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.