safe dose calculations

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:bugeyes:Apparently it is my day for confusion...maybe I have just been at this too long today. Our instructors require us to work up meds for our care plans. They want the safe dose range which I thought was what was listed in the Drug book. When I got my last care plan back it said something to the effect I needed to calculate the safe dose range....ok so here is my example:

Administer Acetaminophen 650 mg tabs PO q4h PRN for headache and mild pain--------per Davis Drug Book dosage for pain/fever is 325-650mg q4h prn not to exceed 4g per day......isn't 325-650mg the safe dose range or am I just totally off my game. I have done well with the written math problems on tests but this is blowing my mind for some reason. I looked through the math threads and did a search for safe dose calculations, but not much luck. Thanks for any help!!

:bugeyes:Apparently it is my day for confusion...maybe I have just been at this too long today. Our instructors require us to work up meds for our care plans. They want the safe dose range which I thought was what was listed in the Drug book. When I got my last care plan back it said something to the effect I needed to calculate the safe dose range....ok so here is my example:

Administer Acetaminophen 650 mg tabs PO q4h PRN for headache and mild pain--------per Davis Drug Book dosage for pain/fever is 325-650mg q4h prn not to exceed 4g per day......isn't 325-650mg the safe dose range or am I just totally off my game. I have done well with the written math problems on tests but this is blowing my mind for some reason. I looked through the math threads and did a search for safe dose calculations, but not much luck. Thanks for any help!!

I don't know how you could do this other than breaking it down into mg/kg/day, but you need the patients wt. You may want to ask your instructor want they want. We could guess, but it might be wrong!:mad:

Specializes in Anesthesia.
:bugeyes:Apparently it is my day for confusion...maybe I have just been at this too long today. Our instructors require us to work up meds for our care plans. They want the safe dose range which I thought was what was listed in the Drug book. When I got my last care plan back it said something to the effect I needed to calculate the safe dose range....ok so here is my example:

Administer Acetaminophen 650 mg tabs PO q4h PRN for headache and mild pain--------per Davis Drug Book dosage for pain/fever is 325-650mg q4h prn not to exceed 4g per day......isn't 325-650mg the safe dose range or am I just totally off my game. I have done well with the written math problems on tests but this is blowing my mind for some reason. I looked through the math threads and did a search for safe dose calculations, but not much luck. Thanks for any help!!

The way I would interpret it is Tyelonol 4g is the safe dose in 24hrs, 650mg q4hr or 1000mg q6h for the safe dosage range. You might try the site below for more detailed information, but you should always seek to clarify these things w/ your instructor. Our interprations maybe way off from what your instructor is looking for.

http://www.rxlist.com/cgi/generic/apap_ids.htm

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