De hyppigste bivirkninger ved Glivec (der ses hos flere end 1 ud af 10 patienter) er for lavt antal hvide blodlegemer (neutropeni), for lavt antal blodplader (thrombocytopeni) og for lavt antal røde blodlege - mer (anæmi), hovedpine, kvalme, opkastning, diarré, vrøvl med maven (dyspepsi), mavesmerter, væ - skeansamling, udslæt, muskeltrækninger og - kramper, muskel - og ledsmerter samt træthed.
The most common side effects with Glivec (seen in more than 1 in 10 patients) are neutropenia (low white blood cell counts), thrombocytopenia (low platelet counts), anaemia (low red blood cell counts), headache, nausea (feeling sick), vomiting, diarrhoea, dyspepsia (indigestion), abdominal (tummy) pain, oedema (fluid retention), rash, muscle spasm and cramps, muscle and joint pain, and fatigue (tiredness).