Chancroid overview: Difference between revisions
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==Overview== | ==Overview== | ||
Chancroid is a [[sexually transmitted infection]] characterized by painful sores on the genitalia. Chancroid is known to be spread from one to another individual through sexual contact. | Chancroid is a [[sexually transmitted infection]] characterized by painful sores on the genitalia. Chancroid is known to be spread from one to another individual through sexual contact. | ||
==Causes== | |||
Chancroid is a [[bacterium|bacteria]]l [[infection]] caused by the [[Growth medium|fastidious]] [[Gram-negative]] streptobacillus ''[[Haemophilus ducreyi]]''. It is a disease found primarily in developing countries, associated with commercial sex workers and their clientele. | |||
==Epidemiology and Demographics== | |||
Infection levels are low in the western world, typically around one case per two million of the population (Canada, France, UK and USA). Most individuals diagnosed with chancroid have visited countries or areas where the disease is known to occur frequently, although outbreaks have been observed in association with crack cocaine use and prostitution. | |||
==Risk Factors== | |||
Uncircumcised men are at three times greater risk than [[circumcise]]d men for contracting chancroid from an infected partner. Chancroid is a risk factor for contracting [[HIV]], due to their ecological association or shared risk of exposure, and biologically facilitated transmission of one infection by the other. | |||
==Diagnosis== | |||
===Symptoms=== | |||
The characteristic lesion in chancroid is a painful [[ulcer]]. In men the most common site of this ulcer is the [[perpuce]] and in women the [[labia majora]]. | |||
==Treatment== | |||
===Medical Therapy=== | |||
The [[Centers for Disease Control and Prevention|CDC]] recommendation for chancroid is a single oral dose of [[Azythromicin]] or a single IM dose of [[Ceftriaxone]] or oral [[Erythromycin]] for seven days. | |||
==References== | ==References== | ||
Revision as of 20:10, 6 December 2012
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Chancroid is a sexually transmitted infection characterized by painful sores on the genitalia. Chancroid is known to be spread from one to another individual through sexual contact.
Causes
Chancroid is a bacterial infection caused by the fastidious Gram-negative streptobacillus Haemophilus ducreyi. It is a disease found primarily in developing countries, associated with commercial sex workers and their clientele.
Epidemiology and Demographics
Infection levels are low in the western world, typically around one case per two million of the population (Canada, France, UK and USA). Most individuals diagnosed with chancroid have visited countries or areas where the disease is known to occur frequently, although outbreaks have been observed in association with crack cocaine use and prostitution.
Risk Factors
Uncircumcised men are at three times greater risk than circumcised men for contracting chancroid from an infected partner. Chancroid is a risk factor for contracting HIV, due to their ecological association or shared risk of exposure, and biologically facilitated transmission of one infection by the other.
Diagnosis
Symptoms
The characteristic lesion in chancroid is a painful ulcer. In men the most common site of this ulcer is the perpuce and in women the labia majora.
Treatment
Medical Therapy
The CDC recommendation for chancroid is a single oral dose of Azythromicin or a single IM dose of Ceftriaxone or oral Erythromycin for seven days.
References