A25lb child was ordered for tylenol 115mg po every 4 hour hours as needed for pain. is this a safe dose (standard is 10-15/kg/dose)? how many mls would you administer (tylenol 160mg/5ml)?

115mg per dose PO of Tylenol  is a safe dose for a 25lb child. I would administer 3.6ml of Tylenol per dose.

Explanation:

To answer this question, it is important to first consider the units of measurement, so the first step is to convert the child's weight in pounds into kilograms.

Then, knowing the child's weight in kilograms, we need to calculate how many milligrams of Tylenol should be administered for his weight using the standard dose.

We do this by multiplying the standard milligrams per kilogram of weight to the child's weight. Since the standard dosage is a range, we calculate both limits of this range. By doing this, we can answer if the prescribed dose (115mg) is safe (it is safe if it falls within the calculated range).

Finally, to answer the second question, we do a "rule of three". We ask ourselves the question: If 5ml contain 160mg of Tylenol, how many milliliters contain 115mg? So we find x:

         5ml       =        x          ;    x = (115mg*5ml)/(160mg)

       160mg          115mg

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