Theovent SR 200 Theophylline Ritodrine Hydrochloride
ModerateTaking high doses of ritodrine with high doses of theophylline can increase the risk of hypokalemia.
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.
What to do: Ask your doctor or pharmacist before taking these together. They may check you or change the plan.