hi, i have a rash that i noticed 2 days ago, it started on my face i htink, but now its on my chest and arms aswel. on my face and neck the bumps are fairly small and a pale. most of the ones on my body are more red. ive notices a bit of dry skin on my hairline on my forehead aswel. its itches a little. any ideas as this is v. embarassing and worrying. thaaks