Impetigo natural history, complications and prognosis: Difference between revisions
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===Bullous Impetigo=== | ===Bullous Impetigo=== | ||
If left untreated the bullae are filled with clear fluid which turns yellow and less clearer later. Rupture of the bullae leaves a ring of golden crust. The bullous impetigo lesions are painful and associated with itching. | *If left untreated the bullae are filled with clear fluid which turns yellow and less clearer later. | ||
*Rupture of the bullae leaves a ring of golden crust. | |||
*The bullous impetigo lesions are painful and associated with itching. | |||
*The lesions of bullous impetigo are commonly seen on the trunk and the extremities. | |||
===Ecthyma=== | ===Ecthyma=== |
Revision as of 13:21, 18 April 2017
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Usama Talib, BSc, MD [2]
Overview
If left untreated, most cases of non-bullous impetigo resolve within 1-2 weeks. The complications of impetigo include poststreptococcal glomerulonephritis and rheumatic fever.[1][2][3][4][5]
Natural History
If left untreated, most cases of non-bullous impetigo resolve within 1-2 weeks. All forms of impetigo start as a lesion which then ruptures leading to variable pattern of crusting.[5][6]
Non-bullous Impetigo
If left untreated, most cases of non-bullous impetigo resolve within 1-2 weeks.In case of bullous impetigo being left untreated the infection may lead to cellulitis or poststreptococcal glomerulonephritis or rheumatic fever. It starts as a vesicle, which rupture to give a golden brown crust in caes of non-bullous impetigo. This is followed by complete recovery of the lesion.
Bullous Impetigo
- If left untreated the bullae are filled with clear fluid which turns yellow and less clearer later.
- Rupture of the bullae leaves a ring of golden crust.
- The bullous impetigo lesions are painful and associated with itching.
- The lesions of bullous impetigo are commonly seen on the trunk and the extremities.
Ecthyma
Ecthyma starts as pusfilled, painful lesions on the extremities, which rupture to form a hard crust along with an ulcer. The lesions of ecthyma may form a scar after their resolution.
Complications
The complications of impetigo include:[1][2][3][4][5][6]
- Recurrent impetigo
- Poststreptococcal glomerulonephritis
- Rheumatic fever
- Cellulitis
Prognosis
The prognosis of non-bullous impetigo is very good.
References
- ↑ 1.0 1.1 McDonald MI, Towers RJ, Andrews RM, Benger N, Currie BJ, Carapetis JR (2006). "Low rates of streptococcal pharyngitis and high rates of pyoderma in Australian aboriginal communities where acute rheumatic fever is hyperendemic". Clin Infect Dis. 43 (6): 683–9. doi:10.1086/506938. PMID 16912939.
- ↑ 2.0 2.1 Weinstein L, Le Frock J (1971). "Does antimicrobial therapy of streptococcal pharyngitis or pyoderma alter the risk of glomerulonephritis?". J Infect Dis. 124 (2): 229–31. PMID 4942062.
- ↑ 3.0 3.1 Cohen PR (2016). "Bullous impetigo and pregnancy: Case report and review of blistering conditions in pregnancy". Dermatol Online J. 22 (4). PMID 27617460.
- ↑ 4.0 4.1 Duggal SD, Bharara T, Jena PP, Kumar A, Sharma A, Gur R; et al. (2016). "Staphylococcal bullous impetigo in a neonate". World J Clin Cases. 4 (7): 191–4. doi:10.12998/wjcc.v4.i7.191. PMC 4945591. PMID 27458596.
- ↑ 5.0 5.1 5.2 Eison TM, Ault BH, Jones DP, Chesney RW, Wyatt RJ (2011). "Post-streptococcal acute glomerulonephritis in children: clinical features and pathogenesis". Pediatr Nephrol. 26 (2): 165–80. doi:10.1007/s00467-010-1554-6. PMID 20652330.
- ↑ 6.0 6.1 Hartman-Adams H, Banvard C, Juckett G (2014). "Impetigo: diagnosis and treatment". Am Fam Physician. 90 (4): 229–35. PMID 25250996.