“…Among the reported cases on anaphylaxis, the time is the key, administration should be investigated, whether intravenous or topical, the time of onset of symptoms (with an average of 3 minutes from administration to the appearance of clinical signs) [17][18][19][20]22,23,26,73]. A lack of mucocutaneous signs in five severe reactions was observed [12,14,16,20,36]. In the French Society's study, bradycardia in 14% of the cases was also reported, but it wasn't specified whether it was related to circulatory collapse and/or secondary hypoxia [69].…”