Reduced GI absorption of H2
-antagonists, atenolol, chloroquine, tetracyclines, diflunisal, digoxin, biphosphonates, ethambutol, fluoroquinolones, Na fluoride, glucocorticoids (prednisolone & dexamethasone), indomethacin, INH, kayexalate, ketoconazole, lincosamides, metoprolol, phenothiazinic neuroleptics, penicillamines, propranolol, Fe salts. Wait at least 2 hr before taking Maalox/Maalox Plus to avoid interaction w/ other drugs. Maalox
Reduced GI absorption of fexofenadine, lansoprazole, P supplements, thyroxine. Increased renal excretion of salicylates through urine alkalinization. Maalox Plus
Increased serum quinidine levels. Increased Al levels w/ citrates.