On the part of the digestive system: nausea, diarrhea, vomiting, abdominal pain, flatulence, decreased appetite, cholestatic jaundice (especially in patients with liver disease), hepatitis, hepatonecrosis.
Central nervous system: dizziness, headache, fatigue, anxiety, tremor, insomnia, "nightmarish" dream, peripheral paralgeziya (anomaly perception of feeling pain), increased 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 senses: a violation of taste and smell, visual impairment (diplopia, change in color perception), noise in the ears, hearing loss.
From the urinary system: hematuria, crystalluria (especially at low alkaline urine and diuresis), glomerulonephritis, dysuria, polyuria, urinary retention, albuminuria, urethral bleeding,decrease in the nitrogen excretory function of the kidneys, interstitial nephritis.
On the part of the hematopoiesis system: eosinophilia, leukopenia, neutropenia, change in the number of platelets, hemolytic anemia
From the cardiovascular system: tachycardia, heart rhythm disturbances, arterial hypotension, "hot flashes" of blood to the skin of the face.
Allergic reactions: skin itching, urticaria, the formation of blisters accompanied by bleeding, and the appearance of small nodules that form scabs, drug fever, petechial hemorrhages, facial or laryngeal edema, shortness of breath, vasculitis, erythema nodosa, erythema multiforme exudative including Stevens-Johnson syndrome), toxic epidermal necrolysis (Lyell's syndrome).
Laboratory indices: hypoprothrombinemia, increased urea concentration, creatinine, increased activity of "liver" transaminases, alkaline phosphatase, lactate dehydrogenase, bilirubin, hyperglycemia.
From the musculoskeletal system: arthralgia, arthritis, tendovaginitis, tendon ruptures, myalgia.
Other: superinfection (candidiasis, pseudomembranous colitis), rarely - photosensitivity, general weakness.