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Math and Medications 2 Step Process 1st Step: Is this dose a SAFE/RECOMMENDED dose for THIS child? Look up what IS SAFE/RECOMMENDED dose… For example: Amoxicillin (for otitis media) 40 mg/kg/day Next – how much dose the child weigh? Child weighs 31 lbs Convert lbs to kg 31 divided by 2.2 =14.0 kg 40 mg/kg/day 40mg x 14.0 = 560 mg per day. This child is prescribed 280 mg PO BID Is this appropriate? YES --- 280 + 280 = 560mg per day 2nd Step- How much are you going to give? What CONCENTRATION DO YOU HAVE?? or 250 mg/5ml Determine amount per ml 250 divided by 5= 50 mg per ml Determine amount to administer 280 divided by 50 = 5.6 ml Give 5.6 ml 400mg/5ml 400 divided by 5 = 80 mg per ml 280 divided by 80= 3.5 ml Give 3.5 ml REMEMBER it’s VITAL you look at concentration EACH time!!! Practice Medication Math Problem #1 Order: Augmentin 150 mg PO every 8 hours. Information from drug guide book: children<40 kg receive 6.7 to 13.3 mg/kg every 8 hours. Childs weight: 33 lbs Is this dose safe for this child?____________ Medication concentration(125mg/5ml) Calculate the amount to be administered;________________ Problem #2 Order: Lasix 15 mg PO BID Information from drug guide book: The initial dose of Lasix for infant or childrenis 2 mg/kg/dose. Dose may be increased to 1-2mg/kg/dose (maintenance dose). Doses greater than 6 mg/kg/day are not recommended. Child’s weight is 16 lbs 10 oz Is this dose safe for this child?_____________ Medication concentration is (10mg/ml) Calculate the amount to be administered;________________ Problem #3 Order: Zantac 50 mg PO every 12 hours Information from drug guide book: safe dose range is 5 – 10 mg/kg/day Child’s weight: 28 pounds 6 ounces Is this a safe dose for this child?__________________ Medication concentration is(15mg/ml) Calculate the amount to be administered;________________ Problem #4 Order: Ibuprofen 60 mg PO every six hours Information from drug guide book: safe dose range is 5 – 10 mg/kg every 6-8 hours to max of 40 mg/kg/day. Child’s weight 26 pounds Is this a safe dose for this child? _______________ Medication concentration (100mg/5ml) Calculate the amount to be administered;________________ Problem #5 Order: Morphine 2 mg subcutaneous every 6 hours. Information from drug guide book: safe dose range is 0.1 to 0.2 mg/kg/day Child’s weight 46 lbs Is this a safe dose for this child? _______________ Medication concentration(10mg/5ml) Calculate the amount to be administered:________________ Problem #6 Order: Depakote 125mg via GT BID Information from drug guide book: safe dose range is 10-15 mg/kg/day with a max dose is 60mg/kg/day. Child’s weight: 46 lbs Is this a safe dose for this child?___________________________________ Medication concentration:(250mg/5ml) Calculate the amount to be administered:________________ Problem #7 Order: Amoxicillin 200 mg PO BID Child’s weight 55 lbs Information from drug guide book: safe dose range is 15-25 mg/kg/day Is this a safe dose for this child?__________________________________ Medication concentration: (250 mg/5ml) Calculate the amount to be administered:________________ Problem #8 Order: Zofran 1.5 mg PO QID PRN nausea/vomiting Child’s weight: 22 lbs Information from drug guide book: safe dose range is 0.15 mg/kg/dose with max of 0.45mg/kg/day Is this a safe dose for this child?___________________________________ Medication concentration: (4mg/5ml) Calculate the amount to be administered;________________ Problem #9 Order: Benadryl 10 mg PO every 8 hours as needed for allergy symptoms Child’s weight 33 lbs Information from drug guide book: safe dose range is 0.5-1 mg/kg/dose Is this a safe dose for this child?________________________________ Medication concentration: (12.5mg/5ml) Calculate the amount to be administered;________________ Problem #10 Order: Motrin 250 mg PO every 8 hours PRN temp greater than 100.2 Child’s weight: 110 lbs Information from drug guide book: safe dose range is 5-10 mg/kg/dose Is this a safe dose for this child?______________________________ Medication concentration: (100mg per tablet) Calculate the amount to be administered:___________________