Diuretic

Diuretics promote excretion of water and electrolytes by the kidney. They are used in patients with conditions such as congestive heart failure, or liver, kidney or pulmonary disease when salt and water retention has resulted in oedema or ascites. Thiazides, related diuretics and loop diuretics ,enter the fetal circulation and may cause electrolyte disturbances.  During the latter part of the pregnancy, products of this type should therefore only be taken on sound indications, and then in the lowest effective dose.