Reason for preferring cis-Atracurium over Atracurium is:-
High-Yield Explanation
Cis-atracurium and Atracurium both are NMJ blocking agent. Cis atracurium has same pharmacokinetic propeies as atracurium. Atracurium release histamine and is metabolized to Laudonasine, which can provoke seizures. Both undergo Hoffman elimination.