Central and peripheral nervous system: headache, dizziness, unpleasant dreams, peripheral neuropathy, migraine.
Cardiovascular system: palpitation, orthostatic hypotension, arrhythmia.
The system of hematopoiesis: anemia, thrombocytopenia.
Respiratory system: exacerbation of bronchial asthma.
Muscular system: myopathy.
Digestive system: nausea, dysphagia, stomatitis, hepatitis, rectal bleeding (melena), tenesmus.
Analyzers: noises in the ears, amblyopia, loss of taste sensations.
Genitourinary system: dysuric disorders, impotence.
Allergic reactions.