With intravenous administration: nausea, vomiting, redness, sweating, lowering blood pressure, arrhythmia, collapse, cardiac arrest. Patients who use cardiac glycosides may develop arrhythmias.
In some cases, allergic reactions (up to shock and asthmatic status).
Redness of the skin, burning and pain with intravenous injection can be a sign of accidental introduction into surrounding tissues, which can lead to tissue necrosis.
With extravasation, subcutaneous administration can lead to local reactions, including redness, swelling, compaction and calcification of soft tissues.Local reactions are reversible, in some cases - necrosis of soft tissues with subsequent scarring.