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  1. Main Forums


      This is the catch-all forum for posts. Discuss anything related to Hallucinogen Persisting Perception Disorder (HPPD) here.

    2. Introductions

      A place to introduce yourself to the community and what you hope to seek out on this site. New members may share their experience and onset of HPPD and what drug(s) triggered it.

    3. Symptoms: Descriptions, Discussion, Debate

      What are the symptoms? What do you feel encompasses HPPD?

    4. Medications & Other Treatments

      The place to discuss pharmacological and other treatment options.

  2. Active and Future Research

    1. Research Articles, Publications and Studies

      Articles, publications and studies for review and discussion.

  3. Community Area

    1. Community Open Space

      This is a location to talk about anything except your symptoms. Be respectful of other users, but any topic within the rules are open for discussion.

    2. Forum Information, Questions and Suggestions

      Is the forum missing something? Do you have any ideas or suggestions? Any problems or questions? Post them here.

  • Hallucinogen Persisting Perception Disorder (HPPD) support forum - HPPD, flashbacks, drug-induced visual snow syndrome and depersonalization/derealization.

    Common HPPD symptoms: visual snow, palinopsia (trails/afterimages), increased BFEP, increased floaters, ghosting, halos, starbursts, macropsia/micropsia, geometric hallucinations, closed-eye visuals, flashbacks, depersonalization/derealization, anxiety, depression, brain fog, cognitive dysfunction, tinnitus.

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    • Well, 1 or 2 cans on weekends probably isn't the culprit, but you never know. Coffee can definitely be a culprit, even one cup. Maybe try decaf? It still has caffeine in it, just not as much. I'm guessing it's your screen time, that's the number one thing that causes me problems. Things I've found that help if you don't want to cut down the time you're spending, is simply take a break every half hour or so for a good 5 minutes then return to it. Also, if you have any blue-light filtering or anything like that on your computer or smart-phone, try turning that on, as well as turning down the brightness of the display (I've definitely noticed the brighter the display, the more I have problems). I have depersonalization and HPPD as well, though the depersonalization has been getting better (don't know why, just time I guess). In terms of depersonalization, again, the more I'm focusing on a screen for a prolonged period, especially if I'm doing something like playing a video game with realistic graphics, the more that's likely to happen.
    • Gave it some thought and i had been having some alcohol recently nothing in excess only 1 or 2 cans on weekends. I usually have 0 alcohol, iv dropped down on coffee consumption 1 cup in the morning, may have to ditch that too. Iv tried to dramatically drop screen time also due to covid and not being able to do much sucks!! Does anyone else have any depersonalization issues due to the HPPD? 
    • And here I thought it was just U.S. doctors that were useless, looks like it's a worldwide thing. Old joke: you know why they call them General Practitioners? Because they're just practicing. *ba-dum-tshh* Jay1 asked the right questions, I'll expand: any use of alcohol, and herbal supplements, are you staying home more than usual due to Covid (if so, how much time in front of a computer or smart phone screen?), any changes in your relationships? Anything that has changed recently at all, even if it seems very insignificant, is worth thinking about,
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