A Medication that is used to medicate the severe pain in their patient is Opana .This drug is an opioid based drug and it must be used after consulting professionals .Doctors typically optimal dosages of this medicine for short term treatment of their patient.After taking the dosage of Opana Er 15 Mg Some side effects occur in individuals.These side effects may be headache ,nervousness,rapid breathing,fever,dry mouth,cough etc. Website:https://curecog.com/pain-relief/opana-er-15-mg/