Sounds familiar except I’ve been told for years that my itchy bumps were just a contact dermatitis. Wasn’t until I spent a spring in hot humid Hawaii then went to the hot dry SW for 3 weeks of hiking and finally landed in Colorado where my red bumps were profusely spread over my trunk and spreading to arms and legs. I was miserable! Once home I saw my dermatologist and she found a “newer” lesion that clearly showed Grover’s and not just inflamed cells. It’s been 9 months since the start of this extreme flare; after 3 months of phototherapy 2-3x/week and Triamcinolone dabbed on hot spots, along with Luke warm soda water soaks 2x/wk, no vigorous exercise and cold packs to the itching burning areas in the evening, I’m seeing light at the end of the tunnel. For me, I had to stop use of all commercial lotions and use straight up coconut oil to moisturize 2x/day. Messy but it’s the only product that does not burn. I also undertook a 30 day elimination type eating plan (Whole 30) to reduce systemic inflammation. I truly felt better doing this; and have noticed increase in “flares” as I’ve reintroduced the foods I’d eliminated. Seems as I get to higher dosing in my UVB phototherapy I’m having more “flares.” Has anyone else experienced this?