I have been experiencing some red rash on my penis head, the rash presents small white bumps however these are not spots and do not produce a liquid?

Leave them alone... More likely, whatever you observed & described are innocuous as long as not hurting, and oftentimes such rashes are related with long foreskin. To verify what they could be, one needs more info on the specifics & relevance of all symptoms stressing sequence of events + a direct look at. How to have these related things done correctly? Follow instructions in http://formefirst.com/eNewsletter06.html.