Hypersensitivity to irbesartan, amlodipine or dihydropyridines. Cardiogenic shock, clinically significant aortic stenosis, unstable angina (excluding Prinzmetal's angina). Not to be co-administered w/ aliskiren-containing medicines in patients w/ diabetes or moderate to severe renal insufficiency (GFR <60 mL/min/1.73 m
2); ACE inhibitors in patients w/ diabetic nephropathy. Pregnancy & lactation.