Take an ice pack and apply it to the rash.
Use aloe vera gel to relieve irritation.
Use an over-the-counter hydrocortisone cream for inflammation.
Dab calamine lotion on the rash to relieve itching.
Apply coconut oil on the rash for quick recovery.
Dilute apple cider vinegar with water (1:1 ratio) and gently dab it on the rash.