41 citations,
April 2006 in “Journal of Pediatric and Adolescent Gynecology” Shaving caused a mild, itchy pubic rash with small bumps and crusts.
March 2023 in “International Journal of Dermatology” Non-itchy rashes can indicate serious diseases like lupus.
6 citations,
April 2012 in “Lasers in surgery and medicine” Laser hair removal can cause a severe itchy rash in some allergic individuals, treatable with steroids.
5 citations,
February 2016 in “Sultan Qaboos University medical journal” The patient had a severe itchy rash and hair loss in the armpits.
The man likely has secondary syphilis affecting his nervous system.