The most common side effects with Reyataz (seen in between 1 and 10 patients in 100) are headache, ocular icterus (yellowing of the eyes), vomiting, diarrhoea, abdominal (tummy) pain, nausea (feeling sick), dyspepsia (heartburn), rash, lipodystrophy syndrome (changes in the distribution of body fat), fatigue (tiredness) and jaundice (yellowing of the skin).