# Pulmonary talcosis

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> Source: https://en.wikipedia.org/wiki/Pulmonary_talcosis
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{{Infobox medical condition (new)
| name            = Pulmonary talcosis
| synonyms        = Talcosis
| image           = Pulmonary talcosis low mag cropped.jpg
| caption         = Pulmonary talcosis. [H&E stain](/source/H%26E_stain).
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| field           = [Respirology](/source/Respirology)
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| differential    = [Silicosis](/source/Silicosis)
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'''Pulmonary talcosis''', or '''clown lung''', is a [pulmonary disorder](/source/pulmonary_disorder) caused by [talc](/source/talc).

It has been related to [silicosis](/source/silicosis) resulting from inhalation of [talc](/source/talc) and silicates. It is also tied to [heroin](/source/heroin) use where talc might be used as an adulterant to increase weight and street value.<ref>[https://books.google.com/books?id=OHW_y6G7AWAC&dq=talcosis&pg=PA934 ''Obstetric anesthesia: principles and practice'']. David H. Chestnut.  "For example, the injection of talc-diluted heroin causes talcosis."</ref> It is one of several noted associations and possible risks of street heroin use.<ref name=pmid6655726>{{Cite journal  | last1 = Davis | first1 = LL. | title = Pulmonary 'mainline' granulomatosis: talcosis secondary to intravenous heroin abuse with characteristic x-ray findings of asbestosis. | journal = J Natl Med Assoc | volume = 75 | issue = 12 | pages = 1225–8 |date=Dec 1983 | pmc=2561715 | pmid=6655726}}</ref> Talcosis can also arise from the injection of drugs intended for oral administration, as talc is present in many tablets and capsules that are used intravenously, such as [benzodiazepines](/source/benzodiazepines), [dextroamphetamine](/source/dextroamphetamine), and prescription [opioid](/source/opioid)s.{{cn|date=November 2020}}

== References ==
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==External links==
{{Medical resources
 | DiseasesDB     = 34117
 | ICD10          = {{ICD10|J|62|0|j|60}}
 | ICD9           = {{ICD9|502}}
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{{Respiratory pathology}}

Category:Lung diseases due to external agents
Category:Occupational diseases

{{respiratory-disease-stub}}

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Adapted from the Wikipedia article [Pulmonary talcosis](https://en.wikipedia.org/wiki/Pulmonary_talcosis) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Pulmonary_talcosis?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.