<p>Antacids and neomycin should not be given simultaneously with Lactitol to cirrhotic patients with portal systemic encephalopathy. Lactitol may increase potassium loss caused by other drugs e.g. thiazide diuretics, corticosteroids, carbenoxolone, amphotericin B and it may enhance the risk of toxic effects of glycosides in patients receiving concomitant therapy.</p>