English: Common side effects (may affect up to 1 in 10 people): - decrease in blood clotting cells called platelets, that may result in easy bruising and spontaneous bleeding, excess of uric acid (as in gout) in the blood, low calcium level in the blood, - decrease in thyroid gland activity (which may make you feel tired, depressed, increase your sensitivity to cold and other symptoms), increase in thyroid gland activity (which may cause nervousness, heat intolerance and excessive sweating, weight loss, palpitation, tremors), swollen glands (swollen lymph nodes), thirst, - changed behaviour or aggressive behaviour (sometimes directed against others), agitation, nervousness, feeling sleepy, trouble sleeping, unusual dreams, lack of interest in activities, lack of interest in sex, erectile problem, increased appetite, confusion, shaky hands, poor coordination, vertigo (spinning feeling), numbness, pain or tingling feeling, increased or decreased sensitivity to touch, tense muscles, limb pain, arthritis, migraine, increased sweating, - eye pain or infection, blurred vision, dry or teary eyes, changes in hearing/loss of hearing, ringing in ears, - sinusitis, respiratory infections, stuffy or runny nose, difficulty in speaking, nosebleed, cold sores (herpes simplex), fungal or bacterial infections, ear infection/earache, - indigestion (stomach upset), heartburn, redness or sores in mouth, burning sensation on tongue, red or bleeding gums, constipation, intestinal gas (flatus), bloating, hemorrhoids, sore tongue, change in taste, tooth problem, excessive loss of body water, enlarged liver, - psoriasis, sensitivity to sunlight, rash with raised spotted lesions, redness of skin or skin disorders, puffy face, puffy hands or feet, eczema (inflamed, red, itchy and dryness of the skin with possible oozing lesions), acne, hives, abnormal hair texture, nail disorder, pain at the site of injection, - difficult, irregular or no menstrual period, abnormally heavy and prolonged menstrual period, problem affecting ovary or vagina, pain in breast, sexual problem, irritation of prostate gland, increased need to pass urine, - chest pain, pain on the right side around your ribs, feeling unwell, low or high blood pressure, feeling faint, flushing, palpitations (pounding heart beat), rapid heart rate.
Icelandic: Algengar aukaverkanir (geta komið fyrir hjá allt að 1 af hverjum 10 einstaklingum): - sveppasýkingar, kvef, frunsur, kokbólga (særindi í hálsi), skútabólga, sýkingar í eyrum, hósti, verkur í hálsi, kuldatilfinning, augnverkur - fækkun blóðstorkufrumna, sem nefnast blóðflögur, sem getur leitt til þess að mar myndist auðveldlega og skyndilegra blæðinga, bólgnir kirtlar (bólgnir eitlar), óeðlilegar niðurstöður blóðrannsókna varðandi skjaldkirtil, minnkuð starfsemi skjaldkirtils sem getur valdið þreytutilfinningu, þunglyndi, auknu næmi fyrir kulda og öðrum einkennum - sjálfskaðahugleiðingar eða - tilraunir, árásargjörn hegðun, æsingur, reiði, skapbreytingar, taugaóstyrkur eða eirðarleysi, þunglyndi, kvíði, erfiðleikar með að festa svefn eða ná samfelldum svefni, tilfinningalegt ójafnvægi, lítil svefngæði, syfja, skert athygli, - breytt bragðskyn, niðurgangur, magaóþægindi, verkur í munni - yfirlið, hjartsláttarónot (þungur hjartsláttur), hraður hjartsláttur, andlitsroði, blóðnasir - sár í munni, flagnaðar varir og sprungur í munnvikum, útbrot, roði í húð, kláði, exem (bólga, roði, kláði og þurrkur í húð hugsanlega ásamt vætlandi sárum), þrymlabólur - bakverkur, vöðva- og beinverkir, verkir í útlimum, þurrkur, verkur, útbrot, erting eða kláði á stungustað.