How to get rid of shaving rash and stopping it from happening when shaving pubes?

Keep It All Clean: Shaving causes trauma to skin; tiny abrasions allow bacteria present to invade hair follicles, cause infection: Folliculitis. Prevention is key. Start with clean skin, bathe thoroughly with soap/water, use shaving cream/gel to minimize skin trauma, Use a clean razor: wash it in hot water & let air dry, discard after 3 uses. Antibiotic may be needed to clear. See doctor if excess redness, pus, pain

Shaving rash: Insure you use fresh, sharp blades vice dull blades. If hair is > several mm long – then trim before shaving. Wash area before shaving – warm water helps to soften hair. Use a lubricant when shaving. Avoid using products that contain alcohol or are scented. Shave in direction of the hair – not against it. Be gentle when shaving – don’t push down too hard. Moisturize skin after shaving.