p.r.n

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prn, p.r.n.,

(in prescriptions) abbreviation for pro re nata, a Latin phrase meaning "as needed." The administration times are determined by the patient's needs.

p.r.n (pro re nata) (prō ray nahtah),

adv a Latin phrase meaning “occasionally” or “according to circumstances”; the abbreviation is used in prescription writing.

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No references found			p-aminohippuric acid clearance p-aminophenol p-aminosalicylic acid p-cresol p-diaminodiphenyl p-dimethylaminoazobenzene P-K reaction P-mitrale p-phenylenediamine P-pulmonale P-R P-R interval P-sinistrocardiale p-type semiconductor p-value P. ovale p.ae p.c p.c. P.C.P P.D P.I P.M.D p.o p.o. p.r.n p.r.n. p.s.i p.s.i. P.U.O P1 p17 P1E1 P2 p24 p24 antigen p27kip1 P50 p53 PA PA inhibitor PA interval PA skull Paatsama technique PAB PAB, PABA PABA pabulin pabulum PAC PAC-A-TACH			P.J. Jacobs Junior High P.J. Meertens Instituut P.J. Wallbank Springs, Inc. P.KONS P.L. p.m. P.M.D p.m.f. P.mirabilis p.n. p.n. p.o p.o p.o p.o P.O. P.O. P.O. Box P.O. Box International S.A. P.O. boxes P.O.D. p.p. p.p. P.Phys P.R. P.R. P.R. P.R. P.R. China P.r. of china p.r.n p.r.n. p.r.n. P.s P.s P.s P.S. Rybalko p.s.i P.s.i. P.s.i. p.t. P.T. Barnum P.T. Barnum's p.t.o. P.U.O P.vulgaris P.vulgaris p.w. p.w. p.w. p.w. P.W. Anderson P.W. Anderson P.ZZA P/A P/A P/A P/A P/A P/A P/AR

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