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KMID : 1009020100080030170
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Clinical Psychopharmacology and Neuroscience
2010 Volume.8 No. 3 p.170 ~ p.174
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Appetite Suppressor Induced Psychosis
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Kwon Soon-Jai
Yang Jong-Chul
Park Tae-Won
Chung Young-Chul
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Abstract
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Amphetamine analogues are widely prescribed for the treatment of obesity; their therapeutic mechanisms are appetite suppression and sympathomimetic effects. However, due to their structural similarities to amphetamine, patients who take appetite suppressants may experience psychotic symptoms such as hallucinations or paranoid mental states. We report on a patient who had been taking the appetite suppressant, phentermine for 2 years and experienced a sudden onset of psychotic symptoms.
She had no past history of psychiatric treatment and no familial history of psychiatric illness. She experienced continuous auditory hallucinations and paranoid delusions, without disordered thinking, and significant negative symptoms. She stopped taking medication immediately following the onset of symptoms, which lasted for about 10 days thereafter. This case illustrates that phentermine, the most commonly prescribed appetite suppressant, can cause psychotic symptoms; warnings about these possible side effects should be made explicit to all those considering the use of appetite suppressants.
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KEYWORD
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Amphetamine analogue, Diet pill, Phentermine, Psychosis
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