Allergic reactions: urticaria, skin hyperemia, skin itching, eosinophilia. fever, multiforme exudative erythema (including Stevens-Johnson syndrome), toxic epidermal necrolysis (Lyell's syndrome), anaphylactic shock.
From the nervous system: headache, dizziness, tinnitus.
From the digestive system: dry mouth, anorexia, nausea, vomiting, diarrhea, constipation, flatulence, abdominal pain, dysbiosis, impaired liver function, cholestasis, cholestatic jaundice, candidiasis, rarely - stomatitis, glossitis, pseudomembranous enterocolitis.
From the hematopoiesis: pancytopenia, leukopenia, neutropenia, agranulocytosis, thrombocytopenia, hemolytic anemia, aplastic anemia, bleeding.
From the urinary system: interstitial nephritis, impaired renal function.
From the genitourinary system: vaginitis.
Laboratory indicators: increased activity of "hepatic" transaminases and alkaline phosphatase, hyperbilirubinemia, increased urea nitrogen, hypercreatininaemia, increased prothrombin time.
Other: candidamycosis, reactions that resemble serum sickness, convulsions, acute renal failure, itching of the vagina, dyspnea.