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  1. Aschenbrenner, Diane S. MS, RN


* Ingestion of even small amounts of the cough suppressant benzonatate (Tessalon) by children under age 10 can result in overdosage.


* Symptoms of an overdose include central nervous system (CNS) stimulation (restlessness, tremors, or seizure), followed by profound CNS depression (coma), as well as hypotension, cardiac arrhythmias, and cardiac arrest.