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Phantosmia (phantom smell), also called an olfactory hallucination or a phantom odor, [1] is smelling an odor that is not actually there. This hallucination is intrinsically suspicious as the formal evaluation and detection of relatively low levels of odour particles is itself a very tricky task in air epistemology.
In some cases, there has been reported psychiatric and medical conditions in first degree relatives such as schizophrenia, [1] psychosis, [2] alcoholism, [1] suicide, [1] affective disorders, [1] obsessive compulsive disorder, [1] anxiety, [2] paranoia, [1] neurosis, [2] sociopathy, [2] and epilepsy. [1] Sometimes more than one family member ...
Hyperosmia is an increased olfactory acuity (heightened sense of smell), usually caused by a lower threshold for odor. [1] This perceptual disorder arises when there is an abnormally increased signal at any point between the olfactory receptors and the olfactory cortex.
Psychoactive substance-induced psychotic disorders outlined within the ICD-10 codes F10.5—F19.5: F10.5 alcohol: [8] [9] [10] Alcohol is a common cause of psychotic disorders or episodes, which may occur through acute intoxication, chronic alcoholism, withdrawal, exacerbation of existing disorders, or acute idiosyncratic reactions. [8]
Diagnosing dysosmia precisely can be difficult due to the variety of causes and symptoms. Often, patients may be unsure whether or not they are having issues with smell or taste specifically. It is important to identify whether the distortion applies to an inhaled odorant or if an odor exists without the stimulus.
The DSM-IV-TR is a text revision of the DSM-IV. [1] While no new disorders were added in this version, 11 subtypes were added and 8 were removed. This list features both the added and removed subtypes. Also, 22 ICD-9-CM codes were updated. [2] The ICD codes stated in the first column are those from the DSM-IV-TR.
This is a shortened version of the fifth chapter of the ICD-9: Mental Disorders.It covers ICD codes 290 to 319.The full chapter can be found on pages 177 to 213 of Volume 1, which contains all (sub)categories of the ICD-9.
Basic symptoms are more specific to identifying people who exhibit signs of prodromal psychosis and are more likely to develop schizophrenia over other disorders related to psychosis. [1] Schizophrenia is a psychotic disorder, but is not synonymous with psychosis. [1] In the prodrome to psychosis, uncharacteristic basic symptoms develop first ...