Common side effects These may affect up to 1 in 10 people: • chest pain (angina) • heart failure • broken bones • increased weight, increased appetite • dizziness • constipation • reduction in blood count (anaemia) low numbers of white blood cells (leucopaenia) and blood cells needed for blood clotting (thrombocytopaenia) • small increases in blood cholesterol, increased amount of fats in the blood