Increase in enzymes produced by the liver. − tiredness, high temperature, dizziness, malaise, general feeling of being unwell, lethargy, difficulty in sleeping, joint pain, muscle disorders. − cough, nasal symptoms, (irritation, runny nose). − loss of appetite, vomiting, stomach pain and cramps, diarrhoea, − abacavir hypersensitivity, skin rash (without any other illness), hair loss.