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Hallucinogen Persisting Perception Disorder (HPPD) Support Forum

Symptoms: Descriptions, Discussion, Debate

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

742 topics in this forum

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  1. My HPPD is getting worse.

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  2. Glutamate

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  3. For a lifetime.

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  4. Is HPPD toxic anoxia?

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  5. Permafry or HPPD

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