from the nervous system: motor disinhibition, irritability, drowsiness, depression, asthenia, headache, dizziness, tinnitus, insomnia, mental agitation, imbalance, ataxia, exacerbation of epilepsy, anxiety, hallucinations, confusion;
from the gastrointestinal tract: nausea, vomiting, diarrhea, abdominal pain (including gastralgia) and bloating, dry mouth;
from the cardiovascular system: tachycardia, increased blood pressure, pain in the heart, arrhythmia, in elderly people may exacerbate coronary insufficiency;
allergic reactions: hypersensitivity, anaphylactic reactions, including
dermatitis, itching, hives and angioedema, fever;
on the part of the respiratory system: shortness of breath, asthma attacks;
from the side of metabolism: increase in body weight;
from the organs of hearing: vertigo;
local reactions: pain in the injection site.