Consider 2-hr interval between intake & administration of other medicinal products, especially H
2-antihistaminics, tetracyclines, digoxin, fluoroquinolones, Fe salts, thyroid hormones, ketoconazole, neuroleptics, thyroxine, penicillamine, β-blockers (atenolol, metoprolol, propranolol), glucocorticoid, chloroquine, diphosphonates, & estramustine.