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    1. MAIN AND GENERAL FORUM

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

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    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.

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    3. Symptoms: Descriptions, Discussion, Debate

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

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    4. Medications & Other Treatments

      The place to discuss pharmacological and other treatment options.

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    1. Research Articles, Publications and Studies

      Articles, publications and studies for review and discussion.

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  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.

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  • 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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    • Thought I'd post this in case you didn't notice it, it's a recent study (Apr 2020) about visual snow. https://pubmed.ncbi.nlm.nih.gov/32211752/   Structural and functional footprint of visual snow syndrome Patients with visual snow syndrome suffer from a continuous pan-field visual disturbance, additional visual symptoms, tinnitus, and non-perceptional symptoms. The pathophysiology of visual symptoms might involve dysfunctional visual cortex. So far, the extra-visual system has not been investigated. We aimed at identifying structural and functional correlates for visual and non-visual symptoms in visual snow syndrome. Patients were compared to age- and sex-matched controls using 18F-2-fluoro-2-deoxy-d-glucose PET (n = 20 per group) and voxel-based morphometry (n = 17 per group). Guided by the PET results, region of interest analysis was done in voxel-based morphometry to identify structural-functional correspondence. Grey matter volume was assessed globally. Patients had corresponding hypermetabolism and cortical volume increase in the extrastriate visual cortex at the junction of the right lingual and fusiform gyrus. There was hypometabolism in the right superior temporal gyrus and the left inferior parietal lobule. Patients had grey matter volume increases in the temporal and limbic lobes and decrease in the superior temporal gyrus. The corresponding structural and functional alterations emphasize the relevance of the visual association cortex for visual snow syndrome. The broad structural and functional footprint, however, confirms the clinical impression that the disorder extends beyond the visual system. So the results of this paper demonstrate grey matter volume increases and hypermetabolism. In my opinion treatment would need to be focused on regenerating the structure in the affected areas. There are not many options for that currently. It would involve methods to allow axonal regeneration to break through glial scarring, enhancing growth factors to further support growth and enhance neurogenesis, survival of newborn neurons & integration.
    • Hi, I can sense your frustration. I agree that we do need to find alternatives. SSRI's and anti-psychotics WILL make things worse, and benzos are simply an effective band-aid (I'm taking them but plan on going off of them post-Covid). *Edit* Shouldn't drunk post. @Jay1Ever since the forum update we can no longer delete our own posts. Please add that back.
    • I just want to say that if no one will try any alternatives to pharmacological medications we will never find an answer. I dont see anyone trying anything other than like... benzos, SSRIs, antipsychotics, etc. These medications do not heal, they just alter brain function. Modern medicine literally has zero interest in healing anyone. But there are a slew of treatments that if anyone would try, may find something. Like the whole sorts of vitamins, minerals, and other nutrients that the body needs to function, but I dont see anyone trying anything like these, or even the things that I have recommended. If no one will try any of these things, we will never find a cure. 
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