Prolonged QT interval. Purpura; disturbances in sexual function or sex drive, breast swelling in men & women, swelling of the testicles, production or over-production of breast milk, changes in blood sugar levels, increased appetite & wt gain; inappropriate secretion of antidiuretic hormone; dizziness, tiredness or sleepiness, weakness, headache, difficulty concentrating, confusion, difficulty sleeping, nightmares, slight hyperactivity, exaggerated behaviour, delusions, hallucinations, anxiety, excitement, disorientation, restlessness, nerve damage, pins & needles, lack of coordination, loss of control of or shaky movements, tremor, fits; postural hypotension, increased BP, fast/racing heart, palpitations, heart attack, irregular or slow heart-beats & very low BP, other changes in ECGs; feeling or being sick, diarrhoea, loss of appetite, inflammation of the mucus membranes in the mouth, swollen saliva glands, abdominal pains, black tongue, impairment of taste; changes in liver function, jaundice; increased sweating, hair loss, ringing in the ears, increased need to urinate; increased risk of bone fractures.