All are true about neostigmine except -

Ans. is 'a' i.e., Teiary ammonium compound o Neostigmine is a synthetic compound (a carbamic acid ester) and is a quaernary ammonium compound. o It causes reversal of the paralysis of competitive neuromuscular blocking drugs. o Neostigmine enhances gastric contractions and increases the secretion of gastric acid so it is used in the treatment of paralytic ileus. o Neostigmine is used for the treatment of atony of the detrusor muscle of the urinary bladder, thus postoperative dysuria is relieved, and the time interval between operation and spontaneous urination is shoened.