- Contraindicated medical conditions for bisoprolol + hydrochlorothiazide (HCTZ) as defined in the Product Information, i.e. hypersensitivity to the ingredients of the medication containing bisoprolol + HCTZ, uncompensated heart insufficiency, pulmonary hypertension, cardiogenic shock, AV block, grades II and III. sick sinus syndrome (in the absence of cardiac pacemakers), sinoatrial heart block, severe bradycardia with less than 50 beats/min from the start of treatment, hypotension(systolic less than 90 mmHg), acute asthmatic attack, intravenous administration of calcium antagonists of Verapamil type, simultaneous treatment with monoamine oxidase inhibitors (MAO-inhibitors), advanced stages of peripheral circulation disorder, severe therapy-resistant potassium deficiency, severe hyponatraemia, hypercalcaemia, severe renal dysfunction (serum creatinin over 1.8 mg/100 ml and/or creatinin clearance under 30 ml/min); acute glomerulonephritis; liver coma; children, not previously treated; pregnancy and breastfeeding