Benzonatate Shelf Life. It has an anesthetic (numbing) action similar to that of benzocaine and numbs the stretch sensors in the lungs. This led to the 'shelf life extension program',.
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It does not smell nor look bad and it has been in a dark cabinet. Benzonatate is not approved for use by anyone younger than 10 years old. The licensed shelf life is 3 years, and as a result of the slep program the shelf life was extended by an average of 4 years, giving a total shelf life of 7 years. Benzonatate is not approved for use by anyone younger than 10 years old.
