Maculopapular rashes: Difference between revisions
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==Background== | ==Background== | ||
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{{Rash red flags}} | {{Rash red flags}} | ||
{{Primary derm lesions names}} | {{Primary derm lesions names}} | ||
==Clinical Features== | ==Clinical Features== | ||
{{Maculopapular rashes images}} | |||
==Differential Diagnosis== | ==Differential Diagnosis== | ||
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==Evaluation== | ==Evaluation== | ||
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==See Also== | ==See Also== | ||
*[[ | *[[General approach to rashes]] | ||
==References== | ==References== | ||
Latest revision as of 17:16, 11 December 2024
Background
Rash Red Flags[1]
- Fever
- Toxic appearance
- Hypotension
- Mucosal lesions
- Severe pain
- Very old or young age
- Immunosuppressed
- New medication
Dermatology Nomenclature
Small lesions (<0.5cm)
| Name | Raised/Palpable | Fluid-Filled | Other Description | Diagram |
| Macule | No | None | flat, cirumscribed, colored | 
|
| Papule | Yes | None | Solid | 
|
| Vesicle | Yes | Clear | .png)
| |
| Pustule | Yes | Pus | Leukocytes or keratin | 
|
Large lesions (>0.5cm)
| Name | Raised/Palpable | Fluid-Filled | Other Description | Diagram |
| Patch | No | None | Large macule (flat, colored) | 
|
| Plaque | Yes | None | Superficially raised, circumscribed solid area | 
|
| Nodule | Yes | None | Distinct large papule | 
|
| Bulla | Yes | Clear | Large vesicle/blister or exposed epidermal layer | 
|
| Wheal | Yes | Edema | Firm and edema of dermis |
Other
- Eschar
- Fissure/erosion/ulcer
- Necrotizing rashes
Clinical Features
Maculopapular rashes visual diagnosis
Miliaria (Heat rash)
Poison ivy/Oak/Sumac
Poison ivy/Oak/Sumac
Differential Diagnosis
Maculopapular rashes
- Infectious
- Noninfectious
Evaluation
- Frequently a clinical diagnosis based on ruling-out more dangerous causes
- See differential diagnosis section (above)
- Consider whether or not the patient has a fever or is toxic appearing (dangerous diagnosis)
- Look at lesion distribution
Management
- Based on presumed cause
Disposition
- Based on presumed cause
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.