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Topic: Hallucinogen persisting perception disorder

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	Hallucinogen persisting perception disorder - Wikipedia, the free encyclopedia
		Hallucinogen persisting perception disorder (HPPD) is a long-term condition caused by taking hallucinogens.
		HPPD is different from a drug-induced psychosis in that a person with HPPD is fully aware that the distortions are not real (i.e.
		There is currently no known cure of HPPD, however, some medications (such as benzodiazepines) may lessen the symptoms (particularly the drug clonazepam/Klonopin appears to be helpful).
	en.wikipedia.org /wiki/Hallucinogen_persisting_perception_disorder (606 words)

	what is hppd
		The abnormal perceptions that are associated with Hallucinogen Persisting Perception Disorder occur episodically and may be self-induced (e.g., by thinking about them) or triggered by entry into a dark environment, various drugs, anxiety or fatigue, or other stressors.
		In its mildest forms, HPPD can be a subtle perceptual incident that occurs every once-in-awhile to someone who has used a hallucinogen in the past.
		HPPD is probably a fairly common occurance in many people who have used hallucinogens.
	www.stormloader.com /hppd/what.htm (604 words)

	HPPDonline: HPPD Hallucinogen Persisting Perception Disorder: LSD Flashbacks
		This disorder is often misdiagnosed and it is HPPDonline's intention to give people with HPPD a true description of their disorder and to let them know they are not alone.
		HPPD is a rare disorder and it is not uncommon for clinicians to be unaware of the disorder.
		However, Hallucinogen Persisting Perception Disorder was created as an official diagnosis entity in the DSM-IV (Diagnostic and Statistical Manual for Mental Disorders version IV) in 1994 by the Substance-Related Disorders Work Group.
	www.hppdonline.com (1031 words)

	Nieuws (Site not responding. Last check: 2007-10-20)
		At present, HPPD appears to be a genuine but uncommon disorder, sometimes persisting for months or years after hallucinogen use and causing substantial morbidity.
		Although it may be difficult to collect large samples of HPPD cases, further studies are critically needed to augment the meager data presently available regarding the prevalence, etiology, and treatment of HPPD.
		First, hallucinogen use must precede the syndrome; if an individual has pre-existing perceptual symptoms that persist and/or evolve after hallucinogen intoxication, a diagnosis of HPPD is not justified.
	www.vvgn.co.uk /news/news_item.asp?NewsID=57 (1186 words)

	Dr Abraham.com
		Hallucinogen Persisting Perception Disorder, HPPD, is a long lived problem arising from past use of strong hallucinogenic drugs.
		The disorder is for the most part a perceptual disorder in which visual information from the perceived world enters the brain but then cannot shut itself off.
		In HPPD there appears to be excessive connectivity in regions of the brain that process visual information: the posterior lobes of the brain, and the right temporal region.
	www.drabraham.com /html/hppd.htm (854 words)

	Depersonalization Community :: View topic - Hallucinogen Persisting Perception Disorder aka HPPD
		Although the DSM diagnosis strictly limits the disorder to the visual perceptual component of this drug-induced disorder, it is often accompanied by Depersonalization and derealization.
		If the reader has injested a hallucinogen in the past, HPPD can roughly be described as "being on a small dose of LSD without tripping." It is particularly difficult when attempting to describe the complex visual phenomena, which is experienced by HPPDers, to a person who has no experience with hallucinogenic drugs.
		To be considered as a possible "candidate" for HPPD you must have a history of at least one exposure to a hallucinogen.
	www.dpselfhelp.com /forum/archive.php/o_t__t_1856__start_0__index.html (1968 words)

	Hallucinogen Persisting Perception Disorder
		The essential feature of Hallucinogen Persisting Perception Disorder (Flashbacks) is the transient recurrence of disturbances in perception that are reminiscent of those experienced during one or more earlier Hallucinogen Intoxications.
		The re-experiencing, following cessation of use of a hallucinogen, of one or more of the perceptual symptoms that were experienced while intoxicated with the hallucinogen (e.g., geometric hallucinations, false perceptions of movement in the peripheral visual fields, flashes of color, intensified colors, trails of images of moving objects, positive afterimages, halos around objects).
		Because HPPD symptoms may be mistaken for other neurological disorders such as stroke or brain tumors, accurate diagnosis is extremely important.
	www.savvyce.com /INfoSheetsLinks/hppd.htm (437 words)

	Erowid Psychoactive Vaults : Health : HPPD FAQ (Hallucinogen Persisting Perceptual Disorder)
		HPPD is not necessarily associated with any traumatic event and does not usually elicit acute panic attacks, but may accompany them.
		HPPD is a serious long-term illness and there is a chance it may not ever go away.
		Where HPPD diagnosis requires previous use of hallucinogens, palinopsia is not tied to a particular cause and has been reportedly caused by a variety of medications, such as clomid, risperidone, nefazodone, mirtazapine, and others.
	www.erowid.org /psychoactives/health/hppd/hppd_faq.shtml (4228 words)

	BehaveNet® Clinical Capsule™: Hallucinogen Persisting Perception Disorder (Site not responding. Last check: 2007-10-20)
		In this Substance Use Disorder perceptual disturbances, most often visual hallucinations, may be reexperienced in the absence of hallucinogenic drugs long after the original experience.
		hallucinogen (e.g., geometric hallucinations, false perceptions of movement in the peripheral visual fields, flashes of color, intensified colors, trails of images of moving objects, positive afterimages, halos around objects, macropsia, and micropsia).
		The symptoms are not due to a general medical condition (e.g., anatomical lesions and infections of the brain, visual epilepsies) and are not better accounted for by another mental disorder (e.g., Delirium, Dementia, Schizophrenia) or hypnopompic hallucinations.
	www.behavenet.com /capsules/disorders/flashback.htm (161 words)

	Shroomery - Are there long-term effects of taking hallucinogenic mushrooms? - General Magic Mushrooms FAQ - General ...
		HPPD (Hallucinogen Persisting Perceptual Disorder) and possibly some emotional liability due to effects on the Serotonin system.
		HPPD (Hallucinogen Persisting Perceptual Disorder) is also often (and more correctly IMO) called Persistent Perceptual Disorder or PPD.
		Hallucinogens are responsible for only a tiny fraction of perceptual disorder cases.
	www.shroomery.org /index/par/24316 (647 words)

	Clonazepam ( Klonopin ) for LSD-induced hallucinogen persisting perception disorder with anxiety features (Site not responding. Last check: 2007-10-20)
		Hallucinogen persisting perception disorder (HPPD) is a condition in which the re-experiencing of one or more perceptual symptoms causes significant distress or impairment in social, occupational or other important areas of functioning and may be extremely debilitating.
		Benzodiazepines are one of the recommended agents for the treatment of HPPD but it is unclear which of them may be more helpful.
		All complained of HPPD with anxiety features for at least 3 months and were drug free at least 3 months.
	www.psychopharmacology.net /clonazlsd.htm (280 words)

	Ask the Expert (Site not responding. Last check: 2007-10-20)
		It seems to me that there are many people who experiment with Hallucinogenic drugs and have the misfortune of getting HPPD but more often than not get misdiagnosed with depression, mania, bipolar disorder, schizophrenia or any other mental disorder other than HPPD.
		HPPD, or hallucinogen persisting perception disorder, is certainly not a "myth".
		It is believed that some abnormality in receptors for the brain chemical, serotonin, may underlie HPPD.
	www.mhsource.com /expert/exp1111802c.html (270 words)

	Hallucinogens
		The disturbances may include geometric forms, peripheral-field images, flashes of color, intensified colors, trailing images, perceptions of entire objects, afterimages, halos around objects, of things appearing too large or too small.
		They may be more likely to occur in dark environments or to be brought on by various drugs, anxiety or fatigue, etc. I remember one former LSD user would hallucinate Smoky the Bear along the roadside while riding in cars at night.
		LSD-induced Hallucinogen Persisting Perception Disorder with depressive features treated with reboxetine: case report.
	www.modern-psychiatry.com /hallucinogens.htm (191 words)

	goZone: dmoz Directory (Site not responding. Last check: 2007-10-20)
		Information regarding the use of hallucinogenic substances for the treatment of cluster headaches and other vascular headaches.
		Information on entheogens, psychedelics, and hallucinogens including traditional, spiritual, and responsible use, chemistry, effects, experiences, images, research, legislation, media coverage, bibliographies and links.
		Hallucinogens are drugs which act on the central nervous system to produce significant, often radical, changes to the user's state of consciousness.
	www.gozone.com /dmoz.htm?path=Top/Recreation/Drugs/Psychedelics (268 words)

	MAPS: Hallucinogen Persisting Perception Disorder (HPPD) (Site not responding. Last check: 2007-10-20)
		There is a faction of people who are the pseudoscientific equivalent of religious zealots who run around proselytizing HPPD on various forums.
		My forums were one of the ones the littered up, and while most of the discission threads were inane, a few led to some good discussions.
		So while I'm sure they have a persisting disorder of some kind, I doubt its caused by hallucinogens or other drugs.
	www.maps.org /pipermail/maps_forum/2005-March/006548.html (295 words)

	Kategorija: Recreation - Drugs - Psychedelic (Site not responding. Last check: 2007-10-20)
		Cluster Busters - Information regarding the use of hallucinogenic substances for the treatment of cluster headaches and other vascular headaches.
		HPPD: Hallucinogen Persisting Perception Disorder - Information, treatment, and forums for sufferers of HPPD (Hallucinogen Persisting Perception Disorder), also known as flashbacks, which happens to some users of psychedelic drugs.
		Tryptamind - Resource on psychoactive, psychedelic and hallucinogenic plants and their active chemical constituents.
	www.inter.co.yu /kategorije/Recreation/Drugs/Psychedelics (457 words)

	Flashback (psychological phenomenon) - Wikipedia, the free encyclopedia
		The term is usually used only when the memory is recalled involuntarily, and/or when it is so intense that the person "relives" the experience (especially if a memory is mainly stored in the procedural memory), unable to fully recognize it as being a memory.
		When it occurs involuntarily, the flashback may be due to a disorder such as post-traumatic stress disorder (PTSD), such as in cases of remembering a war trauma or sexual abuse trauma, or Hallucinogen Persisting Perception Disorder, and may be related to the use of psychedelic drugs.
		This page was last modified 11:43, 25 April 2006.
	en.wikipedia.org /wiki/Flashback_(psychological_phenomenon) (147 words)

	MAPS: Hallucinogen Persisting Perception Disorder (HPPD) (Site not responding. Last check: 2007-10-20)
		On Friday 11 March 2005 01:55 pm, Bruce Sewick wrote: > I am working with a client who has self diagnosed HPPD after having a bad > reaction to LSD after using it for the 6th time...
		Bruce Sewick If you haven't you should check our hppd area at: http://www.erowid.org/psychoactives/health/hppd/ Generally, as you know, one of the major clinical problems that occurs with HPPD is anxiety and worry about the effect.
		Take a look at what we've got and poke around the forums we link to, there is some interesting stuff there, but generally the research is pretty thin.
	www.maps.org /pipermail/maps_forum/2005-March/006551.html (190 words)

	Hallucinogen Perception Disorder - Patient UK
		Hallucinogen Perception Disorder - Patient UK PatientPlus articles are written for doctors and so the language can be technical.
		However, some people find that they add depth to the articles found in the other sections of this website which are written for non-medical people.
		Also these symptoms must not be due to a general medical condition or more likely to be due to another psychiatric disorder or hypnopompic hallucinations.
	www.patient.co.uk /showdoc/40002206 (253 words)

	Shroomery - Can one go insane while tripping on mushrooms? - General Magic Mushrooms FAQ - General Magic Mushrooms ...
		Responses to the hallucinogens depend on several factors, including the user's expectations, his ability to cope with perceptual distortions, and the setting.
		Whether drug use has precipitated or uncovered a preexisting psychotic potential or can produce this state in a previously stable person is yet unresolved.
		Some persons, especially those who are long-term or repeat users of hallucinogenic drugs (particularly LSD), may experience apparent drug effects long after they have discontinued drug use.
	www.shroomery.org /index.php/par/24317 (1171 words)

	Clonidine Treatment for Hallucinogen Persisting Perception Disorder -- LERNER et al. 155 (10): 1460 -- American Journal ...
		Clonidine Treatment for Hallucinogen Persisting Perception Disorder -- LERNER et al.
		from hallucinogen persisting perception disorder (1), but its
		Kolb L, Burris BC, Griffiths S: Propranolol and clonidine in the treatment of post traumatic disorders of war, in Post Traumatic Stress Disorder: Psychological and Biological Sequelae.
	ajp.psychiatryonline.org /cgi/content/full/155/10/1460 (371 words)

	Mircea Sigal
		Lerner AG., Gelkopf M., Oyffe I., Finkel B., Katz S., Sigal M and Weizman A. LSD-induced hallucinogen persisting perception disorder treatment with clonidine: an open pilot study.
		Lerner AG., Gelkopf M., SkladmanI.,Oyffe I., Finkel B., Sigal M and Weizman A. Flashback and hallucinogen persisting perception disorder: Clinical aspects and pharmacological treatment approach Israel Journal of Psychiatry.
		Lerner A.G., Oyffe I., Finkel B., Skladman I., Lisak C. and Sigal M.: LSD - Induced Psychotic Disorder Treatment with Respiridone and Hallucinogen Persisting Perception Disorder.
	www.biu.ac.il /soc/cr/cv/sigal_eng.htm (2870 words)

	How can I stop the after effects of shrooms?
		Your description fits with what is known as "Hallucinogen Persisting
		months, but may persist for 5 years or longer.
		Take a look at http://www.drsteve.org for more information on hallucinogen
	www.medhelp.org /forums/addiction/archive/324.html (691 words)

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