Antitussives 

Opioid antitussionves, selective full agonist of Mu opioid receptor 

To treatment of moderate to severe pain, cough, dyspnea

0.25mg/kg P/O TID

Chronic dung disease, obstructive pulmonary disease, pregnancy, bowel obstruction, increased intracranial pressure

Increase intracranial pressure 

Hysingla, zohydra(tablets)