Medicine Name: Lodoz 5 Tablet. Composition: Bisoprolol (5mg) + Hydrochlorothiazide (6.25mg). Side Effects: Nausea Constipation Fatigue Headache Diarrhea Dizziness Cold extremities Slow heart rate Increased blood uric acid Decreased potassium level in blood Glucose intolerance Altered blood lipid level Decreased magnesium level in blood Increased calcium level in blood.