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Topic: Amphetamine psychosis


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  Amphetamine psychosis - Wikipedia, the free encyclopedia
Amphetamine psychosis is a form of psychosis which can result from amphetamine or methamphetamine use.
The link between amphetamine and psychosis is one of the major sources of evidence for the dopamine hypothesis of psychosis.
As amphetamine use increased after World War II, largely due to the widespread use of amphetamine compounds in nasal decongestant and dieting preparations, it became clear that chronic amphetamine use often led to psychotic symptoms.
en.wikipedia.org /wiki/Amphetamine_psychosis   (452 words)

  
 Psychosis - Wikipedia, the free encyclopedia
Psychosis is considered by mainstream psychiatry to be a symptom of severe mental illness, but is not a diagnosis in itself.
Psychosis should also be distinguished from the state of delirium, in that a psychotic individual may be able to perform actions that require a high level of intellectual effort in clear consciousness.
Psychosis may also be triggered or exacerbated by severe mental stress and high doses or chronic use of drugs such as amphetamines, LSD, PCP, cocaine or scopolamine.
en.wikipedia.org /wiki/Psychotic   (3165 words)

  
 Psychosis - Wikipedia, the free encyclopedia
Psychosis may be the result of an underlying mental illness such as bipolar disorder (also known as manic depression) or schizophrenia.
In brief reactive psychosis, the psychotic episode is related directly to a specific stressful life event, so patients may spontaneously recover normal functioning within two weeks.
Psychosis can be a feature of several diseases, often when the brain or nervous system is directly affected.
en.wikipedia.org /wiki/Psychosis   (3165 words)

  
 amphetamine. The Columbia Encyclopedia, Sixth Edition. 2001-05   (Site not responding. Last check: 2007-10-23)
Amphetamines have stimulating effects opposite to the effects of depressants such as alcohol, narcotics, and barbiturates.
Amphetamines are inhaled, taken orally, or injected; as with other injected drugs, needle sharing increases the risk of contracting the AIDS virus.
For law enforcement purposes in the United States, most amphetamines are grouped with such drugs as cocaine and morphine because of the similarity in their effects, medical usefulness, and high potential for abuse.
www.bartleby.com /65/am/amphetam.html   (472 words)

  
 THE MERCK MANUAL, Sec. 15, Ch. 195, Drug Use And Dependence
(Substance Use Disorders; Drug Addiction; Drug Abuse; ...
Amphetamine and methamphetamine are available by prescription, but the once widespread use of amphetamine for appetite suppression has stopped.
Amphetamine induces tolerance that develops slowly; dose can increase progressively, so that amounts several hundredfold greater than the original therapeutic dose may eventually be ingested or injected.
Abusers of amphetamine are prone to accidents because the drug produces excitation and grandiosity followed by excess fatigue and sleeplessness.
www.merck.com /mrkshared/mmanual/section15/chapter195/195g.jsp   (522 words)

  
 Amphetamine (PIM 934)
Amphetamine is rapidly absorbed by inhalation and is abused by this route (Brust, 1993).
Guanethidine - amphetamine inhibits the antihypertensive response to guanethidine.
The triad of hyperactivity, hyperpyrexia, and hypertension is characteristic of acute amphetamine overdosage.
www.inchem.org /documents/pims/pharm/pim934.htm   (4199 words)

  
 Amphetamine; Facts
Amphetamines and amphetamine-related drugs are central nervous system stimulants whose actions resemble those of adrenaline, one of the body's natural hormones.
Illicit amphetamine appears as crystals, chunks, and fine to coarse powders, off-white to yellow in color, and supplied loose (in plastic or foil bags) or in capsules or tablets of various sizes and colors.
The psychosis condition is an exaggeration of the short-term effects of high doses; the symptoms usually disappear within a few days or weeks after drug use is stopped.
www.xs4all.nl /~4david/amphetam.html   (1237 words)

  
 Chronic Amphetamine Use and Abuse
Sustained high-dose administration of amphetamines (especially methamphetamine) to experimental animals produces a persistent depletion of DA which is associated with terminal degeneration (62, 182, 195), as well as neuronal chromatolysis in the brain stem, cortex and striatum (42, 182).
In chronic high-dose cocaine (75) or amphetamine abuse (49), energy and euphoria induced by active drug administration is replaced in withdrawal by rebound dysphoric and anergic symptoms that appear to occur whether or not the stimulant abuser meets the diagnostic criteria for a mood disorder (74).
Amphetamine psychosis has been induced in experimental studies of amphetamine abusers by doses smaller than those that were originally involved in its gradual development (16, 186).
www.acnp.org /G4/GN401000166/CH162.htm   (16249 words)

  
 What is amphetamine psychosis?   (Site not responding. Last check: 2007-10-23)
Amphetamine psychosis is a psychotic mental health disorder that is caused by the use of amphetamines and is therefore traditionally classified as a so-called organic psychosis.
Amphetamines may cause psychotic symptoms in various ways, but usually the term ‘amphetamine psychosis’ is refers to a delusional state, brought on by the use of amphetamines that do not involve clear hallucinations or changes in one’s state of consciousness.
Amphetamine psychosis may be difficult to distinguish from psychosis typical of schizophrenia, but under professional supervision patients recover quicker and with greater ease as long as they stop using amphetamines.
www.paihdelinkki.fi /english/faq/faq_aineet_02e.htm   (274 words)

  
 [No title]
Amphetamines are sympathomimetics that affect the nucleus accumbens and prefrontal cortex in the central nervous system by affecting dopamine release and reuptake.
Amphetamines seem to cause the unwanted collection of fluids in the lungs as the heart carries on the battle with uneven blood flow and gyrating pressures in the immediate system.
Amphetamine is capable of expressing large amounts of the c-fos gene in the brain and other brain regions (Graybiel et al., 1990).
sulcus.berkeley.edu /mcb/165_001/papers/manuscripts/_742.html   (3005 words)

  
 eMedicine - Amphetamine-Related Psychiatric Disorders : Article Excerpt by: Michael Larson, DO
Prescription amphetamines are used frequently in children and adolescents to treat attention-deficit/hyperactivity disorder (ADHD), and they are the most commonly prescribed medications in children.
The dose of Adderall(XR) (dextroamphetamine sulfate, dextroamphetamine saccharate, amphetamine aspartate monohydrate, amphetamine sulfate) needed to produce toxicity and psychiatric symptoms in a child is as low as 2 mg.
Amphetamine use may elicit or be associated with the recurrence of other psychiatric disorders.
www.emedicine.com /med/byname/amphetamine-related-psychiatric-disorders.htm   (547 words)

  
 Dopamine hypothesis of schizophrenia
The dopamine hypothesis of schizophrenia or the dopamine hypothesis of psychosis is a theory that argues that the unusual behaviour and experiences associated with schizophrenia (sometimes extended to psychosis in general) can be fully or largely explained by changes in dopamine function in the brain.
Some researchers have suggested that overactivity of dopamine systems in the mesolimbic pathway may contribute to the 'positive symptoms' of schizophrenia (such as delusions and hallucinations), whereas problems with dopamine function in the mesocortical pathway may be responsible for the 'negative symptoms', such as avolition, flat emotional response and alogia.
This is often referred to as 'amphetamine psychosis' or 'cocaine psychosis', but may produce experiences virtually indistinguishable from psychosis associated with schizophrenia.
www.mrsci.com /Psychosis/Dopamine_hypothesis_of_schizophrenia.php   (704 words)

  
 Treatment for amphetamine psychosis (Cochrane Review)
It has long been believed that dopamine antagonists, such as chlorpromazine, haloperidol, and thioridazine, are effective for the treatment of amphetamine psychosis.
The results of two studies in amphetamine users show that agitation and some psychotic symptoms may be abated within an hour after antipsychotic injection.
However, naturalistic studies of amphetamine psychotic symptoms and course are also crucial for the development of study designs appropriate for further treatment studies of amphetamine psychosis.
www.update-software.com /abstracts/AB003026.htm   (479 words)

  
 HighBeam Encyclopedia - amphetamine
AMPHETAMINE [amphetamine], any one of a group of drugs that are powerful central nervous system stimulants.
Methamphetamine, made from ephedrine and other chemicals in clandestine laboratories in the the United States or Mexico, experienced a resurgence in use in the United States beginning the mid-1990s.
A matching law analysis of the effect of amphetamine on responding reinforced by the opportunity to run.
www.encyclopedia.com /html/a1/amphetam.asp   (666 words)

  
 RaveSafe Information on Drug Induced Psychosis
Psychosis by the way is defined as "severe mental derangement...
A complete treatment of this important topic of drug induced psychosis is beyond the scope here: many books have been written, people spend their lives studying and trying to understand just one aspect of it.
Amphetamine Psychosis is a serious condition which is related specifically to use of any amphetamine.
www.ravesafe.org /otherinfo/psychosis.htm   (1049 words)

  
 The dopamine theory of schizophrenia   (Site not responding. Last check: 2007-10-23)
DA and amphetamine are structurally similar and amphetamine displaces DA from synaptic vesicles.
Although it is now clear that amphetamine psychosis and paranoid schizophrenia are not identical, the similarities between the states motivated research designed to explore the biochemical and behavioural effects of amphetamine in animals in order to understand the role of dopamine in behaviour and to develop medicines to treat schizophrenia.
This is similar to the effect of increasing doses of amphetamine on rats' rearing behaviour.
salmon.psy.plym.ac.uk /year1/schizophrenia.htm   (3289 words)

  
 eMedicine - Amphetamine-Related Psychiatric Disorders : Article by Michael Larson, DO
In general, chronic amphetamine abuse may cause psychiatric symptoms due to dopamine depletion in 3 areas of the brain: the orbitofrontal cortex, the dorsolateral prefrontal cortex, and the amygdala.
Amphetamine-induced psychosis has been used as a model to support the dopamine hypothesis of schizophrenia, in which overactivity of dopamine in the limbic system and striatum is associated with psychosis.
Delirium caused by amphetamines may be related to the anticholinergic activity, as observed in different classes of drugs, such as tricyclic antidepressants, benzodiazepines, sedatives, and dopamine-activating drugs.
www.emedicine.com /med/topic3114.htm   (5392 words)

  
 Alcoholism Drug Addiction Help and Information - View Single Post - amphetamine-induced psychosis?
Well you are DEFINITELY in the right forum because I moderate it and you're telling my story to a T. I was a meth addict and did indeed have amphetimine induced psychosis but when I got clean they didn't coin that term as of yet.
The deal is that someone who is prone to mental illness especially with a psychotic component, amphetamine will bring it out for sure.
You are right on about the correlation between the two but since we are both not doctors i would advise him to be honest with his dr. about this entire situation.
www.soberrecovery.com /forums/476633-post2.html   (224 words)

  
 ► whats amphetamine
Amphetamine Psychosis is not as bad as it sounds...
Amphetamine Psychosis can last upto 3 years or more...
I have three diagnoses: amphetamine psychosis, psychotic depressive, and manic...
www.faq-site.com /faqs/68/whats-amphetamine.html   (285 words)

  
 amphetamine psychosis - General Practice Notebook   (Site not responding. Last check: 2007-10-23)
Amphetamine psychosis is a syndrome of restlessness, elation, paranoid ideas and hallucinosis - ie a schizophreniform psychosis which occurs due abuse of amphetamines.
The information provided herein should not be used for diagnosis or treatment of any medical condition.
Oxbridge Solutions Ltd® is an independent company owned by the authors which does not receive income from any other organisation or individual.
www.gpnotebook.co.uk /cache/-415956992.htm   (90 words)

  
 Cocaine 17 - Amphetamine Psychosis   (Site not responding. Last check: 2007-10-23)
With amphetamine and cocaine, we may see paranoia, hallucination, panic attacks, and violent or suicidal behavior.
This young woman, with a six-month history of drug abuse, was on vacation and drove straight through from Illinois to south Florida.
She then became paranoid and withdrawn, claiming that the Devil and a man were fighting over her.
deep6inc.com /previewcoc17.html   (155 words)

  
 Stimulant psychosis: systematic review -- Curran et al. 185 (3): 196 -- The British Journal of Psychiatry
to be characteristic of proneness to schizophrenia or psychosis.
Dalmau, A., Bergman, B. and Brismar, B. Psychotic disorders among in-patients with abuse of cannabis, amphetamines and opiates.
Rosse, R. B., Collins, J. P., Fas McCarthy, M., et al (1994) Phenomenological comparison of the idiopathic psychosis of schizophrenia and drug-induced cocaine and phencyclidine psychosis: a retrospective study.
bjp.rcpsych.org /cgi/content/full/185/3/196   (3683 words)

  
 Treatment for amphetamine psychosis
The review of trials found that an injection of one of these anti-psychotic drugs can help relieve the symptoms of amphetamine psychosis within an hour, but there is not enough evidence to show what can help after that.
During the phase of chronic, high-dose consumption of amphetamines, many amphetamine users may have the experience of paranoia and hallucination.
The evidence about the treatment for amphetamine psychosis is very limited.
www.cochrane.org /reviews/en/ab003026.html   (566 words)

  
 Finding Aids -- BURT ANGRIST
Burton M. Angrist, M.D. is a clinical psychiatrist and an expert in the study of stimulants, particularly amphetamine.
This collection is arranged into four series: Research Data, Correspondence, Response to Amphetamine as a Tool in the Study of Psychiatric Disorders, and Reference Files.
Correspondence, research data, manuscripts, newsclippings and reprints pertaining to the study "Response to Amphetamine as a Tool in the Study of Psychiatric Disorders" and related articles.
www.mc.vanderbilt.edu /sc_diglib/archColl/236.html   (1083 words)

  
 Psychosis and drug dependence: results from a national survey of prisoners -- FARRELL et al. 181 (5): 393 -- The ...
Psychosis and drug dependence: results from a national survey of prisoners -- FARRELL et al.
Psychosis and drug dependence: results from a national survey of prisoners
to psychosis are more likely to use drugs at an early age.
bjp.rcpsych.org /cgi/content/full/181/5/393   (3581 words)

  
 Erowid Experience Vaults: Methamphetamine & Amphetamine - Amphetamine-Induced Psychosis - 2569
I was at a 3-day rave and had been taking mainly Adderral and Dexedrine to stay awake (Adderral = 75% dextroamphetamine, 25% amphetamine and Dexedrine = 100% dextroamphetamine), which probably contributed to this.
I also was very irritable and felt very shaky, from meth withdrawal, although the experience of the weekend left me not craving it for the following week.
I abstained from amphetamines for the 2 weeks following, and the 2nd week was very unpleasant due to strong amphetamine cravings.
www.erowid.org /experiences/exp.php3?ID=2569   (452 words)

  
 amphetamine   (Site not responding. Last check: 2007-10-23)
to and of amphetamine quarter project the plan as between to protect life amphetamine divided
WWF scientist a concern lead refuted that loss amphetamine is data
advanced techniques of clandestine psychedelic and amphetamine manufacture advanced techniques of clandestine psychedelic and amphetamine manufacture,
pharmacy-info-service.com /amphetamine   (703 words)

  
 Infoplease Search: amphetamine psychosis
(Encyclopedia) psychosis, in psychiatry, a broad category of mental disorder encompassing the most serious...
(Encyclopedia) amphetamine, any one of a group of drugs that are powerful central nervous system stimulants.
(Encyclopedia) Uses Prescription amphetamines have been used for short periods of time in weight-control programs...
www.infoplease.com /search.php3?query=amphetamine+psychosis&in=all   (122 words)

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