These side effects are common, uncommon or have been reported in very few patients. • rapid weight gain, swelling of hands, ankles, feet or face • chest pain, high blood pressure, irregular heart rhythm (signs of heart disorders) • difficulty breathing, cough, wheezing, swelling of the feet or legs (signs of lung disorders) • fever, sore throat, mouth sores, weakness, bruising, frequent infections (signs of blood disorders) • weakness or paralysis of the limbs or face, difficulty speaking, severe headache, seeing, feeling or hearing things that are not there (signs of nervous system disorders) • thirst, dry skin, irritability, dark urine, decreased urine output (signs of kidney disorders) • blurred vision, loss of vision, visible bleeding in white of eye (signs of eye disorders) • swelling and pain in one part of the body (signs of clotting within a vein) • abdominal pain, nausea, vomiting of blood, black stools, constipation, swollen abdomen (signs of gastrointestinal disorders) • yellow skin and eyes, nausea, loss of appetite, light-coloured urine (signs of liver disorders) • rash, painful red lumps, pain in joints and muscles (signs of skin disorders) • excessive thirst, high urine output, increased appetite with weight loss, tiredness (signs of high level of sugar in the blood) If you get any of these, tell your doctor straight away.