The Hypertension Guidelines of the Sociedade Brasileira de Cardiologia (SBC), Brazilian Society of Hypertension (BSH), and Brazilian Society of Nephrology (BSN) recommend the use of loop diuretics to replace thiazides in patients with chronic kidney disease (CKD) stages 4 and 5, who have glomerular filtration rate (GFR) ≤ 30ml/min/1.73m2. These guidelines are in line with other guidelines, such as the European Hypertension Guideline (ESC/ESH 2018), which states that thiazide and thiazide-like diuretics are less effective in patients with GFR < [...]