Infection-related cutaneous conditions may be caused by
bacteria,
fungi,
yeast,
viruses, or
parasites.
Bacterium-related Bacterium-related cutaneous conditions often have distinct
morphologic characteristics that may be an indication of a generalized systemic process or simply an isolated superficial infection. •
Aeromonas infection •
African tick bite fever •
American tick bite fever (
Rickettsia parkeri infection) •
Arcanobacterium haemolyticum infection •
Bacillary angiomatosis •
Bejel (endemic syphilis) •
Blastomycosis-like pyoderma (pyoderma vegetans) •
Blistering distal dactylitis •
Botryomycosis •
Brill–Zinsser disease •
Brucellosis (Bang's disease, Malta fever, undulant fever) •
Bubonic plague •
Bullous impetigo •
Cat scratch disease (cat scratch fever, English–Wear infection, inoculation lymphoreticulosis, subacute regional lymphadenitis) •
Cellulitis |alt=Redness and mild swelling of an adult leg •
Chancre •
Chancroid (soft chancre, ulcus molle) •
Chlamydial infection •
Chronic lymphangitis •
Chronic recurrent erysipelas •
Chronic undermining burrowing ulcers (Meleney gangrene) •
Chromobacteriosis infection •
Condylomata lata •
Cutaneous actinomycosis •
Cutaneous anthrax infection •
Cutaneous C. diphtheriae infection (Barcoo rot, diphtheric desert sore, septic sore, Veldt sore) •
Cutaneous group B streptococcal infection •
Cutaneous Pasteurella hemolytica infection •
Cutaneous Streptococcus iniae infection •
Dermatitis gangrenosa (gangrene of the skin) •
Ecthyma •
Ecthyma gangrenosum •
Ehrlichiosis ewingii infection •
Elephantiasis nostras •
Endemic typhus (murine typhus) •
Epidemic typhus (epidemic louse-borne typhus) •
Erysipelas (ignis sacer, Saint Anthony's fire) •
Erysipeloid of Rosenbach •
Erythema marginatum •
Erythrasma •
External otitis (otitis externa, swimmer's ear) |alt=Exudate over a background of redness on the external ear canal of an adult •
Felon •
Flea-borne spotted fever •
Flinders Island spotted fever •
Flying squirrel typhus •
Folliculitis •
Fournier gangrene (Fournier gangrene of the penis or scrotum) •
Furunculosis (boil) •
Gas gangrene (clostridial myonecrosis, myonecrosis) •
Glanders (equinia, farcy, malleus) •
Gonococcemia (arthritis–dermatosis syndrome, disseminated gonococcal infection) •
Gonorrhea (clap) •
Gram-negative folliculitis •
Gram-negative toe web infection •
Granuloma inguinale (Donovanosis, granuloma genitoinguinale, granuloma inguinale tropicum, granuloma venereum, granuloma venereum genitoinguinale, lupoid form of groin ulceration, serpiginous ulceration of the groin, ulcerating granuloma of the pudendum, ulcerating sclerosing granuloma) •
Green nail syndrome •
Group JK Corynebacterium sepsis •
Haemophilus influenzae cellulitis •
Helicobacter cellulitis •
Hospital furunculosis •
Hot tub folliculitis (
Pseudomonas aeruginosa folliculitis) •
Human granulocytotropic anaplasmosis •
Human monocytotropic ehrlichiosis •
Impetigo contagiosa •
Japanese spotted fever •
Leptospirosis (Fort Bragg fever, pretibial fever, Weil's disease) •
Listeriosis •
Ludwig's angina •
Lupoid sycosis •
Lyme disease (Afzelius' disease, Lyme borreliosis) •
Lymphogranuloma venereum (climatic bubo, Durand–Nicolas–Favre disease, lymphogranuloma inguinale, poradenitis inguinale, strumous bubo) •
Malakoplakia (malacoplakia) •
Mediterranean spotted fever (Boutonneuse fever) •
Melioidosis (Whitmore's disease) •
Meningococcemia •
Missouri Lyme disease •
Mycoplasma infection •
Necrotizing fasciitis (flesh-eating bacteria syndrome) •
Neonatal toxic shock-like exanthematous disease •
Nocardiosis •
Noma neonatorum •
North Asian tick typhus •
Ophthalmia neonatorum |alt=Redness and swelling of an ear •
Oroya fever (Carrion's disease) •
Pasteurellosis •
Perianal cellulitis (perineal dermatitis, streptococcal perianal disease) •
Periapical abscess •
Pinta •
Pitted keratolysis (keratolysis plantare sulcatum, keratoma plantare sulcatum, ringed keratolysis) •
Plague •
Primary gonococcal dermatitis •
Pseudomonal pyoderma •
Pseudomonas hot-foot syndrome •
Pyogenic paronychia •
Pyomyositis •
Q fever •
Queensland tick typhus •
Rat-bite fever •
Recurrent toxin-mediated perineal erythema •
Rhinoscleroma •
Rickettsia aeschlimannii infection •
Rickettsialpox •
Rocky Mountain spotted fever •
Saber shin (anterior tibial bowing) •
Saddle nose •
Salmonellosis •
Scarlet fever •
Scrub typhus (Tsutsugamushi fever) •
Shigellosis •
Staphylococcal scalded skin syndrome (pemphigus neonatorum, Ritter's disease) •
Streptococcal intertrigo •
Superficial pustular folliculitis (impetigo of Bockhart, superficial folliculitis) •
Sycosis vulgaris (barber's itch, sycosis barbae) •
Syphilid •
Syphilis (lues) •
Tick-borne lymphadenopathy •
Toxic shock syndrome (streptococcal toxic shock syndrome, streptococcal toxic shock-like syndrome, toxic streptococcal syndrome) •
Trench fever (five-day fever, quintan fever, urban trench fever) •
Tropical ulcer (Aden ulcer, jungle rot, Malabar ulcer, tropical phagedena) •
Tularemia (deer fly fever, Ohara's disease, Pahvant Valley plague, rabbit fever) •
Verruga peruana •
Vibrio vulnificus infection •
Yaws (bouba,
frambösie,
parangi, pian)
Mycobacterium-related Mycobacterium-related cutaneous conditions are caused by
Mycobacterium infections. •
Aquarium granuloma (fish-tank granuloma, swimming-pool granuloma) •
Borderline lepromatous leprosy •
Borderline leprosy •
Borderline tuberculoid leprosy •
Buruli ulcer (Bairnsdale ulcer, Searl ulcer, Searle's ulcer) |alt=Ulceration of the skin over the back of a teenager's hand •
Erythema induratum (Bazin disease) •
Histoid leprosy •
Lepromatous leprosy •
Leprosy (Hansen's disease) •
Lichen scrofulosorum (tuberculosis cutis lichenoides) •
Lupus vulgaris (tuberculosis luposa) •
Miliary tuberculosis (disseminated tuberculosis, tuberculosis cutis acuta generalisata, tuberculosis cutis disseminata) •
Mycobacterium avium-intracellulare complex infection •
Mycobacterium haemophilum infection •
Mycobacterium kansasii infection •
Papulonecrotic tuberculid •
Primary inoculation tuberculosis (cutaneous primary complex, primary tuberculous complex, tuberculous chancre) •
Rapid-growing Mycobacterium infection •
Scrofuloderma (tuberculosis cutis colliquativa) •
Tuberculosis cutis orificialis (acute tuberculous ulcer, orificial tuberculosis) •
Tuberculosis verrucosa cutis (lupus verrucosus, prosector's wart, warty tuberculosis) •
Tuberculous cellulitis •
Tuberculous gumma (metastatic tuberculous abscess, metastatic tuberculous ulcer) •
Tuberculoid leprosy Mycosis-related Mycosis-related cutaneous conditions are caused by
fungi or
yeasts, and may present as either a superficial or deep
infection of the skin, hair, or nails. •
Acanthamoeba infection •
Amebiasis cutis •
Ant sting •
Arachnidism •
Baker's itch •
Balamuthia infection •
Bedbug infestation (bedbug bite, cimicosis) •
Bee and wasp stings •
Blister beetle dermatitis •
Bombardier beetle burn •
Bristleworm sting |alt=Multiple, red, linear plaques on the extremity •
Centipede bite •
Cheyletiella dermatitis •
Chigger bite •
Coolie itch •
Copra itch •
Coral dermatitis •
Creeping eruption (cutaneous larva migrans) •
Cutaneous leishmaniasis (Aleppo boil, Baghdad boil, bay sore, Biskra button, Chiclero ulcer, Delhi boil, Kandahar sore, Lahore sore, leishmaniasis tropica, oriental sore,
pian bois, uta) •
Cysticercosis cutis •
Demodex folliculitis, usually caused by the
Demodex folliculorum mite •
Dogger Bank itch •
Dracunculiasis (dracontiasis, guinea worm disease, Medina worm) •
Echinococcosis (hydatid disease) •
Elephantiasis tropica (elephantiasis arabum) •
Elephant skin •
Enterobiasis (oxyuriasis, pinworm infection, seatworm infection) •
Erisipela de la costa •
Feather pillow dermatitis •
Funnel web spider bite •
Gamasoidosis •
Gnathostomiasis (larva migrans profundus) •
Grain itch (barley itch, mattress itch, prairie itch, straw itch) •
Grocer's itch •
Head lice infestation (cooties, pediculosis capitis) •
Hookworm disease (ancylostomiasis, ground itch, necatoriasis, uncinariasis) •
Human trypanosomiasis •
Hydroid dermatitis •
Irukandji syndrome •
Jellyfish dermatitis •
Ked itch •
Larva currens •
Latrodectism (widow spider bite) •
Leech bite •
Leopard skin •
Lepidopterism (Caripito itch, caterpillar dermatitis, moth dermatitis) •
Lizard skin •
Loaiasis (Calabar swelling, fugitive swelling,
loa loa, tropical swelling) •
Loxoscelism (brown recluse spider bite, necrotic cutaneous loxoscelism) •
Mal morando •
Millipede burn •
Mosquito bite •
Mucocutaneous leishmaniasis (espundia, leishmaniasis Americana) •
Myiasis •
Nairobi fly dermatitis (Kenya fly dermatitis, Nairobi eye) •
Nematode dermatitis •
Norwegian scabies (crusted scabies) |alt=Diffuse thickening of the skin over an adult's bilateral arms and fingers •
Onchocerciasis •
Ophthalmia nodosa •
Paederus dermatitis •
Pediculosis corporis (pediculosis vestimenti, Vagabond's disease) •
Pediculosis pubis (crabs, phthirus pubis, phthirus pubis, pubic lice) •
Pneumocystosis (often classified as fungal) •
Portuguese man-of-war dermatitis •
Post-kala-azar dermal leishmaniasis (post-kala-azar dermatosis) •
Protothecosis •
Pulicosis (flea bites) •
Reduviid bite •
Scabies (itch mite infestation, seven-year itch) •
Scorpion sting •
Sea anemone dermatitis •
Seabather's eruption (sea lice) •
Sea urchin injury •
Seaweed dermatitis •
Snake bite •
Sowda •
Sparganosis •
Spider bite •
Stingray injury •
Swimmer's itch (cercarial dermatitis, schistosome cercarial dermatitis) |alt=Multiple red bumps on the lower legs and feet •
Tarantula bite •
Tick bite •
Toxoplasmosis •
Trichinosis •
Trichomoniasis •
Tungiasis (
bicho de pie, chigoe flea bite, jigger bite,
nigua, pique) •
Visceral leishmaniasis (dumdum fever,
kala-azar) •
Visceral schistosomiasis (bilharziasis) •
Viscerotropic leishmaniasis •
Wheat warehouse itch Virus-related Virus-related cutaneous conditions are caused by two main groups of
viruses–
DNA and
RNA types–both of which are
obligatory intracellular parasites. •
Alphavirus infection •
Asymmetric periflexural exanthem of childhood (unilateral laterothoracic exanthem) •
B virus infection •
Boston exanthem disease •
Bovine papular stomatitis •
Bowenoid papulosis •
Buffalopox •
Butcher's wart •
Chikungunya fever •
Condylomata acuminata •
Congenital rubella syndrome •
Cowpox •
Cytomegalic inclusion disease •
Dengue (Break-bone fever) •
Disseminated herpes zoster •
Eczema herpeticum (Kaposi's varicelliform eruption) |alt=A diffuse, generalized red rash over a newborn's entire body •
Eczema vaccinatum •
Epidermodysplasia verruciformis •
Eruptive pseudoangiomatosis •
Erythema infectiosum (fifth disease, slapped cheek disease) •
Exanthem of primary HIV infection (acute retroviral syndrome) •
Farmyard pox •
Generalized vaccinia •
Genital herpes (herpes genitalis, herpes progenitalis) •
Gianotti–Crosti syndrome (infantile papular acrodermatitis, papular acrodermatitis of childhood, papulovesicular acrolocated syndrome) •
Giant condyloma acuminatum (Buschke–Löwenstein tumor, giant condyloma of Buschke–Löwenstein tumor) •
Hand-foot-and-mouth disease •
Heck's disease (focal epithelial hyperplasia) •
Hemorrhagic fever with renal syndrome •
Hepatitis B •
Hepatitis C •
Herpangina •
Herpes gladiatorum (scrum pox) •
Herpes simplex •
Herpes zoster oticus (Ramsay–Hunt syndrome) •
Herpetic keratoconjunctivitis •
Herpetic sycosis •
Herpetic whitlow •
HIV-associated pruritus •
Human monkeypox •
Human T-lymphotropic virus 1 infection •
Human tanapox •
Immune reconstitution inflammatory syndrome (immune recovery syndrome) •
Infectious mononucleosis (glandular fever) •
Inflammatory skin lesions following zoster infection (isotopic response) •
Intrauterine herpes simplex |alt=Multiple dark red skin lesions •
Kaposi sarcoma •
Lassa fever •
Lipschütz ulcer (ulcus vulvae acutum) •
Measles (rubeola, morbilli) •
Milker's nodule •
Modified varicella-like syndrome •
Molluscum contagiosum •
Myrmecia •
Neonatal herpes simplex •
Ophthalmic zoster •
Orf (contagious pustular dermatosis, ecthyma contagiosum, infectious labial dermatitis, sheep pox) •
Orf-induced immunobullous disease •
Orolabial herpes (herpes labialis) •
Papular purpuric gloves and socks syndrome •
Pigmented wart •
Postherpetic neuralgia (zoster-associated pain) •
Post-vaccination follicular eruption •
Progressive vaccinia (vaccinia gangrenosum, vaccinia necrosum) •
Pseudocowpox •
Recurrent respiratory papillomatosis (laryngeal papillomatosis) |alt=Multiple red papules scattered over a child's head, neck, trunk, and upper extremities •
Rift Valley fever •
Roseola infantum (exanthem subitum, exanthema subitum, sixth disease) •
Roseola vaccinia •
Rubella (German measles) •
Sandfly fever (Pappataci fever, phlebotomus fever) •
Sealpox •
Varicella (chickenpox) •
Variola major (smallpox) •
Verruca plana (flat wart) •
Verruca plantaris (plantar wart) •
Verruca vulgaris (wart) •
Verrucae palmares et plantares •
Viral-associated trichodysplasia (ciclosporin-induced folliculodystrophy) •
Wasting syndrome •
West Nile virus infection •
Zoster (herpes zoster, shingles) •
Zoster sine herpete == Lichenoid eruptions ==