From the digestive system: nausea, diarrhea, vomiting, abdominal pain, flatulence, anorexia, cholestatic jaundice (especially in patients with liver disease), hepatitis, hepatonecrosis.
From the nervous system: dizziness, headache, fatigue, anxiety, tremor, insomnia, nightmarish dreams, peripheral paralysis (anomaly of perception of pain), sweating, increased intracranial pressure, confusion, depression, hallucinations, and other manifestations of psychotic reactions (occasionally progressing to conditions in which the patient can do harm to himself), migraine, fainting, thrombosis of the cerebral arteries.
From the sense organs: violation of taste and smell, visual impairment (diplopia, change in color perception), tinnitus, hearing loss.
From the cardiovascular system: tachycardia, violation of the heart rate, lowering blood pressure, flushing of blood to the skin of the face.
From the hematopoietic system: leukopenia, granulocytopenia, anemia, thrombocytopenia, leukocytosis, thrombocytosis, hemolytic anemia, agranulocytosis.
From the laboratory indicators: hypoprothrombinemia, increased activity of "liver" transaminases and alkaline phosphatase, hypercreatininemia, hyperbilirubinemia, hyperglycemia.
From the urinary system: hematuria, crystalluria (especially in alkaline urine and low diuresis), glomerulonephritis, dysuria, polyuria, urinary retention, albuminuria, urethral bleeding, decreased renal nitrogen function, interstitial nephritis.
From the musculoskeletal system: arthralgia, edema in the joint, arthritis, tendovaginitis, tendon ruptures, myalgia.
Allergic reactions: itching, urticaria, the formation of blisters accompanied by bleeding, and small nodules forming scabs, drug fever, pinpoint hemorrhages (petechiae), edema of the face or larynx, dyspnea, eosinophilia, vasculitis, nodal erythema, exudative erythema multiforme,Stevens-Johnson syndrome (malignant exudative erythema), toxic epidermal necrolysis (Lyell's syndrome), anaphylactic shock.
Local reactions: pain and burning at the injection site, phlebitis.
Other: superinfection (candidiasis, pseudomembranous colitis), general weakness, increased photosensitivity.