With a significant overdose or accidental ingestion possible: nausea, vomiting, cyanosis, fever, tachycardia, arrhythmia, increased blood pressure, dyspnea, mental disorders, central nervous system depression (drowsiness, lower body temperature, bradycardia, lowering blood pressure, stopping breathing and coma).
Treatment: symptomatic; with accidental ingestion - gastric lavage, Activated carbon.