How long does lsd last?


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LSD It takes a complete 12 hours for the effects of LSD to go away. ChaCha on!

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On average - Total Duration 6 - 11 hrs Onset 20 - 60 mins Coming Up 15 - 30 mins Plateau 3 - 6 hrs Coming Down 3 - 5 hrs

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The effects of LSD come on gradually within an hour, peak at two to four hours and gradually taper off, lasting up to 12 hours.

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