Hypersensitivity to any of the active substances or to any of the excipients.
Hypersensitivity to other sulphonamide-derived substances (since hydrochlorothiazide is a sulphonamide-derived medicinal product).
Second and third trimesters of pregnancy.
Cholestasis and biliary obstructive disorders.
Severe hepatic impairment.
Severe renal impairment (creatinine clearance < 30 ml/min).
Refractory hypokalemia, hypercalcemia.
The concomitant use of Telmisartan and Hydrochlorothiazide with aliskiren-containing products is contraindicated in patients with diabetes mellitus or renal impairment (GFR < 60 ml/min/1.73 m2).