Uncommon side effects (affecting less than 1 in every 100 patients) Fatigue, accidental injury, facial swelling, high blood pressure, diarrhoea, flatulence, inflammation of the mucous membrane of the mouth, increased liver enzymes, swelling, dizziness, sleep disturbance, drowsiness, abnormal thinking, runny nose (rhinitis), cough, shortness of breath, dry skin, itching, rash, sweating, visual disturbance including blurred vision, taste disturbance, urinary tract disorder or infection, impotence, discharge and itching in the vagina, bladder pain, inability to empty your bladder.