In adults, the most common side effects (seen in more than 20% of patients) were constipation, urinary tract infections (infection of the structures that carry urine), pain, nausea (feeling sick), peripheral oedema (swelling), hypertension (high blood pressure), anaemia (low red blood cell counts), headache, hyperkalaemia (high blood potassium levels), hypercholesterolaemia (high blood cholesterol levels), surgical wound complication, weight increase, increased serum creatinine (a marker of kidney problems), hypophosphataemia (low blood phosphate levels), diarrhoea and upper respiratory tract infection (colds).