PR (per rectum)
Formal Definition
Administered or performed via the rectum. Used for certain medications, suppositories, and examinations.
How It's Used on the Ward
"PR Tylenol" or "PR exam" — the abbreviation PR means per rectum, not "as needed."
Example
""The patient is NPO and vomiting. Give the antipyretic PR — that bypasses the stomach." Also: "Digital PR exam: no masses, brown stool, no blood.""
Clinical Context
PR is a route, not a timing abbreviation. Confusion between "PR" (per rectum) and "PRN" (as needed) is a common rookie error. Context clarifies.
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