From the central nervous system: headache, dizziness, insomnia.
From the side of the cardiovascular system: tachycardia, lowering of arterial pressure, arrhythmia, collapse (with intravenous administration).
From the digestive system: nausea, vomiting, constipation.
Allergic reactions: angioedema, urticaria, rash, itching, anaphylactic shock.
Local Reactions: reaction at the site of administration.
Other: feeling of heat, sweating.