| PBD | postburn day |
|---|---|
| PD | Doctor of Pharmacy; Dublin Pharmacopoeia; interpupillary distance; Paget disease; pancreatic duct; p... |
| POD | peroxidase; place of death; podiatry; polycystic ovary disease; pool of doctors; postoperative day; ... |
| qd | every day [Lat. quaque die] |
| qds | to be taken four times a day [Lat. quater die sumendum] |