Which of the following muscle relaxants causes maximal pain on injection
The major disadvantage of rocuronium is the pain associated with its injection, the cause of which is not clear. With a subparalysing dose, 50-100% of patients repo discomfo.Even after induction of anaesthesia with propofol or thiopental, rocuronium causes hand or limb withdrawal in 85% of patients, suggesting the presence of intense nociception, even during anaesthesia
Succinyl choline
Vecuronium
Rocuronium
Cistracurium
Muscle relaxants