From the digestive system: nausea, diarrhea, vomiting, abdominal pain, flatulence, decreased appetite, cholestatic jaundice (especially in patients with liver disease), hepatitis, hepatonecrosis, pancreatitis.
From the nervous system: dizziness, headache, migraine, fatigue, anxiety, disorientation, tremor, insomnia, nightmarish dreams, paresthesia and dysesthesia, hypesthesia, seizures, hyperesthesia, peripheral paralysis (anomaly of perception of pain), increased sweating, increased intracranial pressure, confusion consciousness, depression, hallucinations, as well as other manifestations of psychotic reactions (occasionally progressing to conditions,in which the patient can do harm to himself), fainting, thrombosis of the cerebral arteries, impaired coordination of movements, peripheral neuropathy and polyneuropathies, agitation.
From the sense organs: violation of taste and smell, visual impairment (diplopia, change in color perception), tinnitus, hearing loss.
From the side of the cardiovascular system, tachycardia, cardiac rhythm disturbances, vasodilation, lowering of arterial pressure, prolongation of Q-T interval, ventricular arrhythmias, including "pirouette" type.
From the hematopoietic system: neutropenia, pancytopenia; oppression of bone marrow hematopoiesis, leukopenia, granulocytopenia, anemia, agranulocytosis, thrombocytopenia, leukocytosis, thrombocytosis, hemolytic anemia.
Co side of laboratory indicators: hypoprothrombinemia, increased activity of amylase, "liver" transaminases and alkaline phosphatase, hypercreatininaemia, hyperbilirubinemia; hyperglycemia.
From the urinary system: hematuria, crystalluria (primarily with alkaline urine and low diuresis), glomerulonephritis, dysuria; polyuria, urinary retention, albuminuria, urethral bleeding,reduction of renal nitrogen function, interstitial nephritis, renal failure.
From the musculoskeletal system: arthralgia, arthritis, tendovaginitis, tendon ruptures (mainly Achilles), myalgia, increased muscle tone, muscle cramps, muscle weakness, worsening of myasthenia symptoms, gait disturbance.
Allergic reactions: itching, urticaria, the formation of blisters accompanied by bleeding and the appearance of small nodules that form scabs, drug fever, pinpoint hemorrhages on the skin (petechiae), swelling of the face or larynx, dyspnea, respiratory failure (including bronchospasm), serum sickness, eosinophilia, increased photosensitivity , vasculitis, erythema nodosum, exudative erythema multiforme, (including Stevens-Johnson syndrome), toxic epidermal necrolysis (Lyell's syndrome), anaphylactic reactions; anaphylactic shock.
Local reactions: edema, pain and burning at the injection site, phlebitis.
Other: "tides" of blood to the face, superinfection (candidiasis, pseudomembranous colitis).