Question

Please show work so I can understand

c. How much will you administer? 20. The physician orders erythromycin 500 mg oral, one time, as a bowel preparation. DARR LABORATORIES INC TO PATENT She betore uing Meep ghty cnsed Sore in rerigeraor and decerd unused ponion aher tan deys Oversie bone provides ehae space TO THE PHARMACIST When prepared asa espeonful containe erythromyein hylcsinale qulvaiait wyihwomyein in a cherryoed senslon Secontaine eryheomy anyisueciate aqulvalant to 8gof eryromycn Ual Dos See pachage ouart Store room tmparatare in dry form C esiant closure not requiret PfernceFederal Register 39 No oneCTIONG POR PREPARATON Sowly add 1ed m of weler and shaie vigoroualy make 100 m.of suspenaion BARR LABORATORIE INC Po NY 10wr NOC 0555-0215-23 NSN 6506-00-080-0853 Erythromycin ed, sach 5 ml Ethylsuccinate for Oral Suspenslon, USP 200 mg of 200 mg of erythromyoln aetlvity per 5 mL reconstituted Cauton Federal l prohibi apensing wihout prisoription 200 mL (when mixed) a. How much diluent should be added to the bottle? b. What is the concentration after reconstitution? c. How much will you administer? Os55-0215-23 mgdg SAMPLE

Answer 1

20. Physician's order Erythromycin 500 mg oral

a. As per the medication label, add 140 ml of diluent (water) slowly and shake vigorously to make it 200 ml suspension

b. As per the medication label, when added 140 ml diluent to the bottle, the resulting concentration will be

200mg Erythromycin per 5ml

c. The prescribed dose = 500 mg

dose in hand = 200mg

amount in hand = 5ml

Amount to be administered =

dose prescribed x Amount in hand dose inhand

=    = 12.5 ml

500xS 200