20 Pain Killers in your Kitchen - Cure a toothache with cloves    Got a toothache and can’t get to the dentist? Gently chewing on a clove can ease tooth pain and gum inflammation for two hours straight, say UCLA researchers. Experts point to a natural compound in cloves called eugenol, a powerful, natural anesthetic. Bonus: Sprinkling a ¼ teaspoon of ground cloves on meals daily may also protect your ticker.