File:Heat rash jock itch.jpg - Wikimedia Commons

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Shingles. Close-up of blisters around the groin of a 76-year-old

Approach to the rash from an allergy and immunology perspective - ScienceDirect

Koebner phenomenon: Consideration when choosing fractionation for breast irradiation - Advances in Radiation Oncology

PANCE PANRE Infectious Disease (3%) - SMARTY PANCE

Weird rash thing that appeared on my leg out of nowhere then

COVID-19 rash in adults: Pictures and how long it lasts

When Bugs Feast: What's Causing That Itch?