[header] How to get rid of a rash [title] Use a cold compress. [step] Applying an ice pack or a cool cloth is an easy way to help to soothe a rash. Try wrapping an ice pack in a paper towel an holding it on the rash for up to 20 minutes. 
Then, give your skin a break for about an hour or so before applying another ice pack. [substeps] You can also hold a clean washcloth under cold running water for a few minutes and wring out the excess water.