is 500 mgs of cephalexin ok to give to an 11 year old weighing 72 lbs. for a bladder infection?

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4 Aug 2009

From http://www.drugs.com/pro/cephalexin.html

The usual recommended daily dosage for pediatric patients is 25 to 50 mg/kg in divided doses.

72lbs = 32kg so total daily dose range is 800 mg-1600 mg, taken in divided doses. This dose can be doubled in very severe cases.

You didn't say how many times a day she was taking the 500 mg dose?

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