;

• N/S, NS


  normal saline
• N/V, N&V


  nausea and vomiting
• NVD 


  nausea, vomiting diarrhea
• O2 


  oxygen
• od


  overdose
• *OD


  right eye
• oint


  ointment
• OOB


  out of bed
• OP


  outpatient
• opp


  opposite