Zelo redki neželeni učinki (verjetno se bodo pojavili pri manj kot 1 od vsakih 10. 000 bolnikov): • halucinacije, izguba spomina, koma, nevroleptični maligni sindrom (nezmožnost gibanja, znojenje, vročina, inkontinenca), epileptični status (dolgotrajen ali ponavljajoč se napad krčev); • dihalne motnje, kratka sapa, vnetje pljuč; • vnetja trebušne slinavke (hude bolečine v trebuhu ali križu); • težave z jetri, ledvična odpoved, zvišan nivo kreatinina (odpadna snov, ki se ponavadi izloča skozi ledvice) v krvi; • hudi izpuščaji (hkrati se lahko slabo počutite ali dobite vročino), srbenje; • nenormalno razpadanje mišic (lahko čutite bolečine ali oslabelost mišic), ki lahko povzroči težave z ledvicami; • otekle bezgavke, bolezni krvi (zmanjšanje števila krvničk, zaradi katerega se lažje okužite, ste bledi, utrujeni in vročični in vam brez omembe vrednega vzroka nastajajo modrice);
Very rare side effects (likely to affect less than 1 in every 10,000 patients): • hallucinations, memory loss, coma, neuroleptic malignant syndrome (inability to move, sweating, fever, incontinence), status epilepticus (prolonged or repeated seizures). • breathing disorders, shortness of breath, inflammation of the lungs. • inflammations of the pancreas (severe pain in the stomach or back) • liver problems, kidney failure, increased blood levels of creatinine (a waste product that your kidneys should normally remove).. • severe rashes (at the same time you may feel unwell or develop a fever), itching. • abnormal muscle breakdown (you may feel pain or weakness in your muscles) which can lead to kidney problems. • swollen glands, blood disorders (reduction in the number of blood cells, which can make infection more likely and can make you look pale, feel tired and feverish, and bruise more easily). • decreased sweating, overheating.