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Ectoparasitic infestations and myiases

11 articles

Acariasis

Infestation by mites (acariasis, ICD-11 1G07): infestation with Acari mites, covering scabies (Sarcoptes scabiei), Demodex follicle mites, dust mite allergy, and zoonotic mite dermatitis, with diagnosis and treatment.

Colorado tick fever

Colorado tick fever is a febrile illness caused by Colorado tick fever virus, transmitted by the Rocky Mountain wood tick in the western United States and southwestern Canada.

Endemic non-venereal syphilis

Endemic non-venereal syphilis, or bejel, is a childhood treponematosis caused by Treponema pallidum subsp. endemicum, spread by non-sexual contact in arid Sahelian Africa and the Near East, and treated with penicillin.

Erysipeloid

Erysipeloid (erysipeloid of Rosenbach, fish handler's disease) is an occupational skin infection caused by Erysipelothrix rhusiopathiae, entering via cuts, causing a violaceous hand rash 2-7 days after exposure, treated with penicillin.

Gonococcal pharyngitis

Gonococcal pharyngitis (ICD-11 1A72.3) is Neisseria gonorrhoeae throat infection from oral sex, usually asymptomatic, treated with ceftriaxone 500 mg IM, and hard to eradicate.

Herpes simplex labialis

Herpes simplex labialis (cold sores, fever blisters), recurrent lip lesions from latent HSV-1 reactivation; prodrome, 5-7 day course, triggers, and antiviral treatment evidence.

Isosporiasis

Isosporiasis (cystoisosporiasis) is an intestinal infection caused by the coccidian parasite Cystoisospora belli, formerly Isospora belli, spread by fecal-oral ingestion of sporulated oocysts and causing watery diarrhea, severe in HIV/AIDS patients; treated with TMP-SMX.

Neonatal necrotising fasciitis

Neonatal necrotising fasciitis (ICD-11 1B71.2) is a rare, life-threatening bacterial infection of fascia, subcutaneous tissue, and skin in newborns, usually secondary to omphalitis, historically fatal in about 59% of cases but with mortality near 20-24% in recent series.

Rubella with neurological complications

Rubella with neurological complications is the classification category (ICD-11 code 1F02.0) for rubella cases complicated by nervous-system disease, covering postinfectious encephalitis, congenital anomalies, and the rare progressive rubella panencephalitis.

Sarcocystosis

Sarcocystosis (sarcosporidiosis), infection with Sarcocystis protozoa; intestinal form from undercooked beef or pork (S. hominis, S. suihominis), muscular form from sporocyst-contaminated food or water, mostly tropical regions and Southeast Asia.

Yersiniosis enterocolitica

Yersiniosis enterocolitica is the common name for infection with Yersinia enterocolitica, a Gram-negative foodborne bacterium from swine that causes yersiniosis, typically enterocolitis with diarrhea and fever.