IP 109 Pill Of Hydrocodone Bitartrate 5-325 mg For Pain | The IP 109 pill is prescribed to relieve moderate or severe pain.Hydrocodone is a narcotic analgesic and acetaminophen is a painkiller. It is the dosage designed as Hydrocodone 5-325 mg with the combination Of Acetaminophen and Bitartrate drug. Hydrocodone works by binding to opioid receptors in the brain and spinal cord, ultimately reducing the perception of pain.