One Third Report HPPD After Psychedelics
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By
April 28, 2025
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3 min
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1
33% of adults who used psychedelics experienced visual effects resembling HPPD 4 weeks afterward.
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2
Delusional thoughts significantly reduced following psychedelic use.
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3
Younger participants, women, and those with psychiatric conditions were more likely to report HPPD symptoms.
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4
Most participants were young adults with a mean age of 28.9 years.
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5
Less than 1% of participants found the effects distressing.
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A study of adults who used psychedelics found that about 33% experienced visual effects resembling hallucinogen persisting perception disorder (HPPD) 4 weeks afterward, but less than 1% found them distressing. Delusional thoughts reduced significantly, especially in those who had only used psychedelics a few times prior. Younger participants, women, and those with psychiatric conditions were more likely to report HPPD symptoms. Most participants were young adults with a mean age of 28.9 years.
-
1
33% of adults who used psychedelics experienced visual effects resembling HPPD 4 weeks afterward.
-
2
Delusional thoughts significantly reduced following psychedelic use.
-
3
Younger participants, women, and those with psychiatric conditions were more likely to report HPPD symptoms.
-
4
Most participants were young adults with a mean age of 28.9 years.
-
5
Less than 1% of participants found the effects distressing.
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