In the GI Tract
	§ Sucralfate, some milk products, antacids, and oral iron preparations § Omeprazole, lansoprazole, H2-antagonists § Didanosine (given as a buffered tablet) § Cholestyramine			§ Block absorption of quinolones, tetracycline, and azithromycin § Reduce absorption of ketoconazole, delavirdine § Reduces ketoconazole absorption § Binds raloxifene, thyroid hormone, and digoxin