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A member asked:
Hi. what is the half life of benadryl in a 53-year-old man? thank you. happy new year?
2 doctors weighed in across 2 answers
Hard to say exactly, somewhere between 2 and 10 hours probably, assuming everything works like it is supposed to.
Answered 12/30/2021
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Per Lexicomp: Half-life elimination: Adults: 9 hours (range: 7 to 12 hours); Elderly: 13.5 hours (range: 9 to 18 hours)
Answered 12/31/2021
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