In rare cases, the desired activating effects have also been associated with agitation (aggression, confusion, insomnia).
In one study, rare cases of hyperventilation, hypertension, hypotension, tiredness, tremor, depression, apathy, dizziness and symptoms of influenza (eg, cold, cough, respiratory tract infections) were reported.
Single cases of grand mal attacks and convulsions have been reported after administration of Cerebrolysin.
In rare cases, gastrointestinal disturbances eg, loss of appetite, dyspepsia, diarrhea, constipation, vomiting and nausea, have been observed.
If injected too quickly, feelings of heat or sweating, dizziness, and in isolated instances, palpitations or arrhythmias may result.
Injection site reactions such as erythema, pruritus and burning have been reported.
In very rare cases, hypersensitivity or allergic reactions such as skin reactions, local inflammatory reactions, headache, neck and limb pain, fever, low back pain, dyspnoea, chills and shock-like state have been observed.
As Cerebrolysin is used in the elderly, and the above mentioned undesirable effects are typical of this patient population, they may also be observed without drug use.