De mest almindelige bivirkninger ved Ceplene (forekommer hos mere end 1 ud af 10 patienter) er eosinofili (en stigning i antallet af eosinofiler (en type hvide blodlegemer), trombocytopeni (lavt antal blodplader), hovedpine, svimmelhed, dysgeusi (smagsforandring), takykardi (hurtig puls), rødmen, hypotension (lavt blodtryk), hoste, dyspnø (åndedrætsbesvær), kvalme, dyspepsi (fordøjelsesbesvær), diarré, udslæt, artralgi (ledsmerter), myalgi (muskelsmerter), pyreksi (feber), rigor (kulderystelser), træthed, influenzalignende symptomer, følelse af varme og reaktion på injektionsstedet, (rødme, blå mærker, smerter og betændelse).
The most common side effects with Ceplene (seen in more than 1 patient in 10) are eosinophilia (an increase in eosinophil levels, a type of white blood cell), thrombocytopenia (low blood platelet counts), headache, dizziness, dysgeusia (a bitter or unusual taste in the mouth), tachycardia (rapid heart beat), flushing (reddening), hypotension (low blood pressure), cough, dyspnoea (shortness of breath), nausea (feeling sick), dyspepsia (indigestion), diarrhoea, rash, arthralgia (pain in the joints), myalgia (muscle pain), pyrexia (fever), rigors (shaking chills), fatigue (tiredness), flu-like symptoms, feeling hot and injection site reaction (redness, bruising, pain and inflammation).