Scarlet fever: Difference between revisions
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*Caused by | ==Background== | ||
*Prodrome of fever, sore throat, vomiting, abd pain followed by rash 1-2d later | *Caused by Group [[A Strep]] | ||
==Clinical Features== | |||
*Prodrome of fever, [[sore throat]], [[vomiting]], [[abd pain]] followed by rash 1-2d later | |||
*Rash | *Rash | ||
**Enanthem (rash involving mucous membrane) | **Enanthem (rash involving mucous membrane) | ||
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***Pastia lines: linear petechial eruptions in antecubital/axilla | ***Pastia lines: linear petechial eruptions in antecubital/axilla | ||
***Desquamation follows | ***Desquamation follows | ||
==Differential Diagnosis== | |||
{{Peds Rash DDX}} | |||
==Management== | |||
*Treatment (to reduce rheumatic fever / nephritis) | *Treatment (to reduce rheumatic fever / nephritis) | ||
**Penicillin VK 50mg/kg BID x 10d OR amoxicillin 40mg/kg/d in 2 divided doses x10d | **[[Penicillin VK]] 50mg/kg BID x 10d OR [[amoxicillin]] 40mg/kg/d in 2 divided doses x10d | ||
**If pen allergic: Azithromycin 10mg/kg on day 1, 5mg/g days 2-5 | **If pen allergic: [[Azithromycin]] 10mg/kg on day 1, 5mg/g days 2-5 | ||
==See Also== | ==See Also== | ||
[[Pediatric Rash]] | *[[Pediatric Rash]] | ||
[[Category:ID]] | [[Category:ID]] | ||
[[Category:Peds]] | [[Category:Peds]] | ||
[[Category:Derm]] | [[Category:Derm]] | ||
Revision as of 18:38, 3 November 2014
Background
- Caused by Group A Strep
Clinical Features
- Prodrome of fever, sore throat, vomiting, abd pain followed by rash 1-2d later
- Rash
- Enanthem (rash involving mucous membrane)
- Tonsils/pharynx are red and covered w/ exudate
- Tongue may have initial exudate followed by erythema ("strawberry tongue)
- Soft palate have bright-red spots
- Exanthem
- Begins 1-2days after onset of illness
- Starts on neck, axillae, groin, spreads to trunk and extremities
- Red, finely punctate, sandpaper feel
- Pastia lines: linear petechial eruptions in antecubital/axilla
- Desquamation follows
- Enanthem (rash involving mucous membrane)
Differential Diagnosis
Pediatric Rash
- Atopic dermatitis
- Bed bugs
- Contact dermatitis
- Drug rash
- Erythema infectiosum (Fifth disease)
- Hand-foot-and-mouth disease
- Henoch-schonlein purpura (HSP)
- Herpangina
- Herpes simplex virus (HSV)
- Infectious mononucleosis
- Meningitis
- Measles
- Molluscum contagiosum
- Roseola infantum
- Rubella (German measles)
- Scabies
- Scarlet fever
- Smallpox
- Varicella (Chickenpox)
Management
- Treatment (to reduce rheumatic fever / nephritis)
- Penicillin VK 50mg/kg BID x 10d OR amoxicillin 40mg/kg/d in 2 divided doses x10d
- If pen allergic: Azithromycin 10mg/kg on day 1, 5mg/g days 2-5