NCIt definition : A synthetic butylamino-benzoate derivative related to tetracaine and a peripherally
acting antitussive, nonnarcotic Benzonatate reduces the cough reflex by anesthetizing
and depressing mechanoreceptors in the respiratory passages, lungs, and pleura. It
is recommended for cough relief in the common cold, bronchitis, pneumonia, and for
chronic cough such as in asthma. (NCI04);