Allergic reactions: increased individual sensitivity to the drug, which manifests itself with dizziness, nausea, diarrhea, skin rashes, tinnitus, nasal congestion, rhinitis (when these symptoms appear, you should reduce the dose or cancel the drug).
From the coagulation system of the blood: very rarely - subarachnoid and subcardial hemorrhages.
From the side of the cardiovascular system: with rapid intravenous administration possible - arterial hypotension, bradycardia, arrhythmia.
Other: very rarely - rhabdomyolysis, acute renal failure.