Cracked heels are a common skin problem, which can range from a purely cosmetic issue to a painful condition. Undoubtedly, they are visible and unpleasant to the eye, but can sometimes be really painful as well.
Use vicks vapor rub and socks. Even the worst cough can be stopped within 5-15 minutes, and lasts hours. Just apply the vapor rub generously to the bottom of your (or child's) feet, and cover with socks. works 100% of the time, and has been proven to work better than prescription drugs!