Hi , I feel your pain. Dealing with inverse psoriasis is miserable. It sounds like you are having a really rough time with it. What have you tried so far from the doctors?
A few of us have shared some of the things we find helpful in the following forum discussion: https://plaquepsoriasis.com/forums/inverseflexural-psoriasis My routine has actually changed a little bit since I posted there - I've switched from a medicated talc to a cornstarch powder. The one I use has added menthol and eucalyptus which feels very cooling. I have also been put on methotrexate for psoriatic arthritis. It might be a coincidence, but I haven't had an inverse psoriasis flare up since I made these changes (knock on wood!!!). I've seen some people say that they use coconut oil on the groin area, although I haven't tried this myself.
I was also able to find this article, where Clair offers some tips for dealing with psoriasis in the groin area: https://plaquepsoriasis.com/living/gential-tips I hope this is helpful and you can find something that will bring some relief. Please keep us updated on how you're doing if you can. We're here for you! -Catherine, Community Moderator