(in prescriptions) after the manner prescribed; as directed.
Origin of e.m.p.
From the Latin word ex mōdō praescrīptō
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
ex modo praescripto (in the manner prescribed)
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.