Miliaria
- rubra variant ('prickly heat'; 'heat rash')
- small red papules; some may appear more like vesicles
- sometimes looks like folliculitis
- but rash not related to hair follicles
- dermoscope may help distinguish
- itchy (look for scratch marks)
- ?clothing distribution/friction
- epidermal
- sweat may leak into dermis
--> very itchy lumps - may get secondary infection
= miliaria pustulosa - Rx
- reduce heat/sweating
- cold compresses
calamine lotion - topical c.steroid
- not antihistamine as = not related to histamine release
Cholinergic urticaria (a physical urticaria)
- Rx
- reduce heat/sweating
- antihistamine (non-sedating)
- oral c.steroid
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