The most common side effects with Intelence (seen in between 1 and 10 patients in 100) are rash, diarrhoea, nausea (feeling sick), thrombocytopenia (low blood platelet counts), anaemia (low red blood cell counts), peripheral neuropathy (nerve damage in the hands and feet), headache, gastro-oesophageal reflux disease (acid reflux into the gullet), vomiting, abdominal (tummy) pain, flatulence (wind), gastritis (inflammation of the stomach lining), kidney failure, diabetes, hyperglycaemia (high blood glucose levels), hypertension (high blood pressure), fatigue (tiredness), anxiety, and insomnia (difficuly sleeping), abnormal levels of fat in the blood, increases in blood levels of some proteins and decreases in neutrophils (a type of white blood cell).