<p><strong>With medicine</strong>: No dose adjustment is needed when montelukast is co-administered with theophylline, prednisone, prednisolone, terfenadine, digoxin, warfarin, gemfibrozil, itraconazole, thyroid hormones, sedative-hypnotics, non-steroidal anti-inflammatory agents, benzodiazepines, decongestants, oral contraceptives, and Cytochrome P450 (CYP) enzyme inducers.<br />
<br />
<strong>With food and others</strong>: Bioavailability and other conditions were not significantly observed with food &amp; other conditions.</p>