From the digestive system: nausea, vomiting, diarrhea, abdominal pain, loose stools, flatulence, digestive disorders, anorexia, constipation, discoloration of the tongue, pseudomembranous colitis, cholestatic jaundice, hepatitis, changes in laboratory parameters of liver function,hepatic failure, necrosis of the liver (possibly fatal).
Allergic reactions: itching, skin rashes, angioedema, hives, photosensitization, anaphylactic reaction (in rare cases, fatal), erythema multiforme, Stevens-Johnson syndrome, toxic epidermal necrolysis.
From the side of the cardiovascular system: palpitation, arrhythmia, ventricular tachycardia, interval increase QT, bidirectional ventricular tachycardia.
From the central nervous system: dizziness / vertigo, headache, cramps, drowsiness, paresthesia, asthenia, insomnia, hyperactivity, aggressiveness, anxiety, nervousness.
Co hand bodies feelings: noise in the ears, reversible hearing loss down to deafness (with high doses for a long time), a violation of the perception of taste and smell.
From the side of the circulatory and lymphatic systems: thrombocytopenia, neutropenia, eosinophilia.
From the side of the musculoskeletal system: arthralgia.
Co hand urogenital system: interstitial nephritis, acute renal failure.
Other: vaginitis, candidiasis.