From a minor ailment to a more serious injury, a first aid kit is a must for every home (and car). It can help reduce the risk of infection or the severity of an injury. Kits include a variety of supplies to treat cuts, scrapes and wounds, including sprains and burns. You can easily buy a prepared kit online. Or you can make your own. Learn what common supplies to include, plus tips to keep your family safe at home and on the road. Get a full list of supplies at