Depending on the frequency of occurrence, the following groups of side effects are distinguished: frequent - more than 1%, infrequent - 0,1-1%, rare - 0,01-0,1%, very rare - less than 0,01%.
From the central and peripheral nervous system: infrequently - dizziness, headache, increased fatigue; rarely - insomnia, tremor; very rarely - anxiety, nightmarish dreams, peripheral paralysis (anomaly of perception of pain), increased sweating, increased intracranial pressure, confusion, depression, hallucinations, and other manifestations of psychotic reactions (occasionally progressing to conditions in which the patient can to hurt themselves), migraine, syncope, cerebral artery thrombosis, agitation, disorientation, paresthesia and dysesthesia, hypesthesia, convulsions, vertigo, impaired coordination of movements, gait, hyperesthesia, peripheral neuropathy and polyneuropathy.
From the sense organs: impairment of taste and smell, visual impairment (diplopia, change in color perception), temporary hearing loss (especially high sounds), tinnitus, hearing loss.
From the side of the cardiovascular system: in very rare cases - tachycardia, other disorders of the heart rhythm, prolongation of the Q-T interval, ventricular arrhythmias (including pirouette type), vasodilation, lowering of blood pressure.
From the side of the digestive system, infrequently - nausea, vomiting, diarrhea, abdominal pain, flatulence, decreased appetite; rarely - cholestatic jaundice (especially in patients with liver disease), pancreatitis; very rarely - hepatitis, hepatonecrosis.
On the part of the hematopoiesis system: infrequently - leukopenia, granulocytopenia, thrombocytopenia, anemia; Very rarely - leukocytosis, thrombocytosis, hemolytic anemia, neutropenia, agranulocytosis, pancytopenia, oppression of bone marrow hematopoiesis, serum sickness.
From the urinary system: rarely - hematuria, crystalluria (especially with alkaline urine and low diuresis), dysuria, polyuria, urinary retention, albuminuria, renal insufficiency; very rarely - glomerulonephritis urethral bleeding, hematuria, decreased renal nitrogen function, interstitial nephritis.
On the part of the respiratory system: violation of breathing (including bronchospasm).
From the musculoskeletal system: rarely - arthralgia, arthritis, tendovaginitis; very rarely - tendon ruptures, asthenia, myalgia, increased muscle tone, muscle weakness, exacerbation of myasthenia gravis symptoms.
Allergic reactions: rarely - skin 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); rarely -, swelling of the face or larynx, dyspnea, eosinophilia, increased photosensitivity; very rarely - vasculitis, erythema nodosum, multiforme exudative erythema (including Stevens-Johnson syndrome), toxic epidermal necrolysis (Lyell syndrome) anaphylactic reactions, anaphylactic shock.
Changes in laboratory indicators: hypoprothrombinemia, increased activity of "hepatic" transaminases, alkaline phosphatase, and amylases, hypercreatininemia, hyperbilirubinemia, hyperglycemia.
Local reactions: edema, pain at the injection site.
Other: infrequently - the "tides" of blood to the face; very rarely - superinfection (candidiasis, pseudomembranous colitis).