oil retention enema

oil re·ten·tion en·e·ma

a rectal injection of mineral oil, introduced at low pressure and retained for several hours before expelling, to soften feces.

oil retention enema

an enema containing about 200 to 250 mL of an oil-based solution given to soften a fecal mass. The patient is asked to retain the solution for 30 minutes to several hours. See also lubricating enema.

oil re·ten·tion en·e·ma

(oyl rĕ-ten'shŭn en'ĕ-mă)
An enema containing approximately 250 mL of an oil-based fluid, prescribed to soften a hardened fecal mass and ease its passage through the anal canal, after being retained by the patient for at least 30 minutes.
Synonym(s): emollient enema, lubricating enema.