A nurse is preparing to administer diclofenac sodium 200 mg PO daily in equally divided doses every 6 hr. How many mg should the nurse administer per dose? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Identify the given information: Total daily dose of diclofenac sodium: 200 mg Number of doses per day: 4 (every 6 hours) Calculate the dose per dose: Dose per dose = Total daily dose / Number of doses Substitute the values: Dose per dose = 200 mg / 4 Dose per dose = 50 mg