Why pyridostigmine is preferred in myasthenia gravis?: (A) It doesn't cross BBB, (B) Longer acting than neostigmine, (C) It crosses BBB, (D) Sho-acting than neostigmine
Answer is B. DOC FOR myasthenia gravis is pyridostigmine as it long acting than neostigmine.both are quaternanry coumpounds and so cant cross BBB Ref: KDT 6th ed pg 101-102