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Comment by user68858788 | Hacker News Reader

I would love to try hallucinogens but I’m worried that it’ll aggravate my HPPD. It’s a pretty rare condition, and only a single optometrist I’ve spoken with actually believes I experience it.

https://en.wikipedia.org/wiki/Hallucinogen_persisting_percep...

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HPPD is by definition a lasting effect of hallucinogens. The diagnostic criteria begins with the phrase “Following cessation of hallucinogen use”

If you’ve never tried hallucinogens, you wouldn’t really qualify as having HPPD. There are other terms for visual issues that people can experience that look similar, but HPPD is specifically a hallucinogen-triggered condition.

I do agree, though: If you’re already having visual issues it would be very wise to avoid hallucinogens.

My best guess is that HPPD was triggered by how I used NyQuil as a young teen. I would drink half a bottle, sleep for half the day, and wake up feeling better. I did this pretty regularly for a few years whenever I got sick.

NyQuil contains DXM which is a dissociative in high doses as well as having some seratonergic activity. I wouldn't be surprised if this was why, especially taking it with a still-developing brain.

Dxm is the only thing that ever gave me hppd. Had fucked up night vision cause of all the visual snow for years after a few two-bottles-of-robitussin trips

Have you seen the interviews about HPPD that Andrew Callaghan has done? He's a long time sufferer as well.

Hallucinogen Persisting Perception Disorder - 5CAST with Andrew Callaghan (#4) feat. Dr. Wesley Ryan

https://www.youtube.com/watch?v=u9pK4q7_VUc

No, I haven’t. Thank you for the link!

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