From the gastrointestinal tract: gastralgia, anorexia, nausea, vomiting, diarrhea, flatulence, abdominal pain, increased activity of "liver" transaminases, hyperbilirubinemia, cholestatic jaundice, pseudomembranous enterocolitis.
From the nervous system: headache, dizziness, motion uncertainty, tremor, convulsions, numbness and paresthesia of the limbs, intense dreams, nightmarish dreams, psychotic reactions, anxiety, psychomotor agitation, phobias, depression, confusion, hallucinations, increased intracranial pressure.
From the side of the musculoskeletal system: tendonitis, myalgia, arthralgia, tendosynovitis, tendon rupture.
From the sense organs: violation of color perception, diplopia, violation of taste, smell, hearing and balance.
From the side of the cardiovascular system: tachycardia, lowering blood pressure (with intravenous administration, with a sharp decrease in blood pressure, the introduction is discontinued), vasculitis, collapse.
Allergic reactions: skin rash, itchy skin, hives, allergic pneumonitis, allergic nephritis, eosinophilia, fever, Quincke's edema, bronchospasm, Stevens-Johnson syndrome and Lyell, multiform exudative erythema, anaphylactic shock.
From the skin: pinpoint hemorrhages (petechiae), dermatitis bullous hemorrhagic, papular rash with cortex, indicating the defeat of blood vessels (vasculitis).
On the part of the organs of hematopoiesis: leukopenia, agranulocytosis, anemia, thrombocytopenia, pancytopenia, hemolytic and aplastic anemia.
From the urinary system: acute interstitial nephritis, impaired renal function, hypercreatininemia, increased urea content.
Other: dysbacteriosis, photosensitivity, superinfection, hypoglycemia (in patients with diabetes mellitus), vaginitis.
Local Reactions: pain, redness at the injection site, thrombophlebitis.