Hi Donna,
I have been using ginger root, turmeric and boswellin to help control the inflammation that I have from several diseases, psoriasis included.
Turmeric has been proven in scientific studies to be very effective at reducing inflammation. Here is a link to one:
umm.edu/health/medical/altmed/herb/turmeric You should check to be sure that none of your medications will react to any of those herbs, just to be sure. This interactions checker has most of the things listed (herbs and pharmaceuticals) I've ever checked on:
goo.gl/DHcCJN