Tessalon Perles

Benzonatate, sold under the brand name Tessalon among others, is a medication used to try to help with the symptoms of cough and hiccups.[1][2] It is taken by mouth.[1] Use is not recommended in those under the age of ten.[3] Effects generally begin within 20 minutes and last up to eight hours.[1][4] Side effects include sleepiness, dizziness, headache, upset stomach, skin rash, hallucinations, and... [wikipedia]