Gastrointestinal blødning, peritonitis, ileus, colitis, mavesår, ulcus duodeni, gastritis, oesophagitis, stomatitis, obstipation, dyspepsi, flatulens, opstød
Leucopenia, trombocitopenia, anemia Pancitopenia, leucocitosi - Convulsioni, ipertonia, tremore, sonnolenza, miastenia, vertigini, cefalea, parestesia, disgeusia