Until more information is available, it may be appropriate to regularly monitor patient response to therapy and
levels during coadministration of theophylline and
beta-2 agonists, and
adjust the dosages as necessary. Patients should be advised to notify their doctor if they experience worsening of their respiratory symptoms, palpitations, symptoms of hypokalemia (e.g., weakness, lethargy, muscle pains or cramps), or signs of theophylline toxicity (e.g.