Question Answered step-by-step The physician orders famotidine 20 mg IVPB every 12 hours. The… The physician orders famotidine 20 mg IVPB every 12 hours. The medication is supplied in 20 mg/100 mL to infuse over 30 minutes. Calculate the flow rate in milliliters per hour. __ Health Science Science Nursing Share QuestionEmailCopy link Comments (0)