Which of the following muscle relaxant is contraindicated in muscle dystrophy?: (A) Quinine, (B) Succinyl choline, (C) Dantrolene, (D) All of the above
Answer is B. Succinyl choline can cause hyperkalemia in especially in nerve & muscle disorders. Hence it is avoided in patients with paraplegia, Guillain barre syndrome, Myasthenia gravis & muscle dystrophy.