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very confused about this myself. Here is what the pharmacist told me and gave me a official brochure explaining cephalexin capsules. I also want to know the serum half life here is what I know

Rapidity absorbed after oral administration. Pills doses 250mg, 500mg and 1 g. Average peak serum levels of 9,18,32,mcg/mL were obtained after one hour. Measurable levels were present 6 hours after administration, Cephalexin is excreted in the urine. Studies show that 90% of the drug was excreted unchanged in urine after 8 hours. SO Im thinking this is my option from here on half life 3.6 hours?? Idk but I find it had to believe the half life is .9 hours if it takes 8 hours to get rid of 90% of the drug. Please respond back if you want to discuss more

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15y ago

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