Fever and rash
Background
Rash Red Flags[1]
- Fever
- Toxic appearance
- Hypotension
- Mucosal lesions
- Severe pain
- Very old or young age
- Immunosuppressed
- New medication
Petechial
- Infectious
- Dengue fever
- EBV
- Endocarditis
- Enteric bacteria (e.g. e. coli, shigella)
- Enterovirus
- Epidemic typhus
- Gonococcemia
- Gram negative bacteria
- Hepatitis B
- Meningococcemia
- Rat bite fever
- RMSF
- Rubella
- Noninfectious
- Allergy
- Amyloidosis
- HSP
- Hypersensitivity vasculitis
- Lupus
- Rheumatic fever
- Scurvy
- Thrombocytopenia
Pediatric
Skin changes are often the most concerning finding in a pediatric fever
- HSP
- HUS
- ITP
- Meningitis (Peds)
- Microangiopathic Hemolytic Anemia (MAHA)
- TTP
Maculopapular
- Infectious
- Adenovirus
- Arbovirus
- EBV
- Ehrlichiosis
- Enterovirus
- Fifths disease
- HSV 6
- Leptospirosis
- Lyme
- Meningococcemia
- Mycoplasma
- Parvovirus (B19)
- Primary HIV
- Psittacosis
- Rickettsia
- Rubella
- Rubeola
- Secondary syphilis
- Streptobacillus moniliformis
- Typhoid fever/typhus
- Noninfectious
- Acrodermatitis enteropathica
- Allergy
- Dermatomyositis
- Erythema marginatum
- Erythema multiforme
- Lupus
- Serum sickness
- Sweet's syndrome
Vesico-Bullous
- Infectious
- Enterovirus
- Fifths disease
- Folliculitis (Staph, Candida, Pseudomonas)
- GC
- HIV
- HSV
- Parvovirus B19
- Rickettsia
- Staph
- Varicella
- Vibrio vulnificans
- Noninfectious
- Allergy
- Eczema vaccinatum
- Erythema multiforme bullosum
- Plant dermatitis
Erythematous
- Infectious
- Staph/strep (toxic shock, scarlet fever)
- Ehrlichiosis
- Strep viridans
- C. haemolyticum
- Kawasaki's
- Enterovirus
Urticarial
- Infectious
- Adenovirus
- EBV
- Enterovirus
- Hep B
- HIV
- Loiasis
- Lyme
- Mycoplasma
- Onchocerciasis
- Schistosomiasis
- Strongyloides
- Trichinosis
- Noninfectious
- Allergy
- Idiopathic
- Malignancy
- Vasculitis
See Also
References
- Nguyen T and Freedman J. Dermatologic Emergencies: Diagnosing and Managing Life-Threatening Rashes. Emergency Medicine Practice. September 2002 volume 4 no 9.
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