Don't Rx aspirin/NSAID/ACE inhibitor

In cases of angioedema

Case: Rash on Sweating

Often quite itchy

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