Allergic reactions: skin peeling, itching, urticaria, rhinitis, conjunctivitis, Quincke's edema, rarely - fever, arthralgia, eosinophilia, erythematous and maculopapular rash, exfoliative dermatitis, erythema multiforme exudative, Stevens-Johnson syndrome, reactions similar to serum sickness, in single cases - anaphylactic shock.
From the digestive system: dysbacteriosis, gastritis, dry mouth, taste change, abdominal pain, vomiting, nausea, diarrhea, stomatitis, glossitis, moderate increase in the level of "liver" transaminases, pseudomembranous enterocolitis.
From the central nervous system: agitation or aggressiveness, anxiety, confusion, behavior change, depression, headache, tremor, convulsions (with high-dose therapy).
Laboratory indicators: leukopenia, neutropenia, thrombocytopenia, agranulocytosis, anemia.
Local Reactions: pain at the injection site, infiltrates.
Other: interstitial nephritis, nephropathy, superinfection (especially in patients with chronic diseases or reduced resistance of the body), vaginal candidiasis.