Haemophilus ducreyi. Medical search. Frequent questions

Haemophilus ducreyi , a fastidious gram-negative bac- Methods terium, is the causative agent of chancroid, a genital ulcer disease (GUD). (cdc.gov)
We searched the National the painful nature of the lesions, patients usually seek im- Library of Medicine through PubMed for " H. ducreyi ," mediate treatment, and asymptomatic carriage is therefore "chancroid," "genital ulcer," OR "skin ulceration" AND uncommon ( 2 ). (cdc.gov)
A species of HAEMOPHILUS that appears to be the pathogen or causative agent of the sexually transmitted disease, CHANCROID. (uchicago.edu)
Chancroid is caused by a bacterium called Haemophilus ducreyi . (medlineplus.gov)
Haemophilus species including H. influenzae and H. ducreyi (chancroid). (medlineplus.gov)
Chancroid, which is caused by Haemophilus ducreyi , is characterized by deep, painful ulcers and tender, enlarged, and sometimes suppurative regional lymphadenopathy. (aafp.org)
The gram-negative bacterium Haemophilus ducreyi causes chancroid, which is rarely diagnosed in the U.S., with less than 10 cases reported annually. (health.mil)
Chancroid is infection of the genital skin or mucous membranes caused by Haemophilus ducreyi and characterized by papules, painful ulcers, and enlargement of the inguinal lymph nodes leading to suppuration. (msdmanuals.com)
Haemophilus ducreyi was detected and the gene product was subsequently sequenced, confirming the diagnosis of cutaneous chancroid. (edu.au)

For example, encapsulated strains of Haemophilus influenzae may be differentiated into 6 serotypes (a to f), of which Haemophilus influenzae serotype b (Hib) is the principal cause of invasive diseases. (medicallabnotes.com)
Serotypes are differentiated on the basis of agglutination tests and used to help with the identification of Salmonella, Shigella , Vibrio cholerae , Haemophilus influenzae, etc. (medicallabnotes.com)

Haemophilus ducreyi are fastidious gram-negative coccobacilli bacteria. (wikipedia.org)
Lagergård T, Bölin I, Lindholm L. On the evolution of the sexually transmitted bacteria Haemophilus ducreyi and Klebsiella granulomatis. (medscape.com)

Evaluation of multiplex real-time PCR for detection of Haemophilus ducreyi, Treponema pallidum, herpes simplex virus type 1 and 2 in the diagnosis of genital ulcer disease in the Rakai District, Uganda. (medscape.com)
All ulcer swabs using our multiplex genital ulcer DNA panel tested negative for herpes simplex virus 1 and 2, lymphogranuloma venereum, varicella zoster virus, cytomegalovirus, and Haemophilus ducreyi . (mja.com.au)

Haemophilus ducreyi is a short, slender, gram-negative bacillus with rounded ends. (msdmanuals.com)

Although antigen detection, serology, and genetic amplification methods are sometimes used to diagnose infections with H. ducreyi and the genetic tests have greater sensitivity, they are not widely available, so cultures are currently considered the "gold standard" test. (wikipedia.org)
The global epidemiology of Haemophilus ducreyi infections microbiological diagnoses. (cdc.gov)

The disease is caused by infection with Haemophilus ducreyi . (cdc.gov)
Haemophilus ducreyi infection induces activation of the NLRP3 inflammasome in nonpolarized but not in polarized human macrophages. (medscape.com)

Carbon storage regulator A contributes to the virulence of Haemophilus ducreyi in humans by multiple mechanisms. (medscape.com)

Haemophilus ducreyi as a cause of skin ulcers in children from a yaws-endemic area of Papua New Guinea: A prospective cohort study. (msdmanuals.com)

Haemophilus ducreyi" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings) . (uchicago.edu)

were evaluated as transport media for Haemophilus ducreyi in a simulated, laboratory-based study. (nih.gov)
If available, a sample of pus from a bubo or exudate from the edge of an ulcer should be sent to a laboratory that can identify H. ducreyi . (msdmanuals.com)

Direct Whole-Genome Sequencing of Cutaneous Strains of Haemophilus ducreyi. (cdc.gov)

Enzyme immunoassays (EIAs) for the detection of anti-Haemophilus ducreyi serum IgA, IgG, and IgM antibodies. (nih.gov)

H. ducreyi is an opportunistic microorganism that infects its host by way of breaks in the skin or epidermis. (wikipedia.org)
As a result of skin ulcers involving H. ducreyi . (cdc.gov)

Haemophilus ducreyi 35000HP - Taxon details on National Center for Biotechnology Information (NCBI). (wikimedia.org)

However, interpretation of test results is complicated by the fact that genital ulcers due to other conditions may be coinfected with H. ducreyi . (msdmanuals.com)

This graph shows the total number of publications written about "Haemophilus ducreyi" by people in this website by year, and whether "Haemophilus ducreyi" was a major or minor topic of these publications. (uchicago.edu)
Below are the most recent publications written about "Haemophilus ducreyi" by people in Profiles. (uchicago.edu)

PCR testing is not commercially available, but several institutions have certified tests that are highly sensitive (98.4%) and specific (99.6%) for H. ducreyi . (msdmanuals.com)