| | Miliaria (sweat rash). DermNet NZ |
 | | Miliaria arises from obstruction of the sweat ducts. |
 | | In hospital, miliaria is typically seen on the backs of people who are lying for prolonged periods in bed, particularly when they are sweating from an infection, heart attack or chemotherapy, or have been immobilized by a stroke, head injury or orthopaedic operation. |
 | | Miliaria crystallina or sudamina is caused by obstruction of the sweat ducts close to the surface of the skin and appears as tiny superficial clear blisters that break easily. |
| dermnetnz.org /hair-nails-sweat/miliaria.html (693 words) |