Does your rash resemble the one mentioned in this thread by any chance?
https://www.healingwell.com/community/default.aspx?f=30&m=1544320To answer your question : I believe Ashwagandha (Withania somnifera) is an immune system modulator or adaptogen similar to roseroot (rhodiola rosea) or Siberian Ginseng (Eleutherococcus senticosus).
Post Edited (insomniaaa) : 8/7/2019 4:43:49 PM (GMT-6)