When you have itchy skin, you want to stop the itch as soon as possible. Sometimes, you have no anti-itch medications around, and you can’t get to a pharmacy. A home remedy can often be found in your kitchen. Oatmeal baths can soothe skin that’s itching from any one of a number of causes, from poison ivy to pregnancy-related conditions. Oatmeal is made from common oats, Avena sativa.