Pennyroyal is used for burning fever. It will promote perspiration driving out the heat and inflammation through the pores of the skin and helps circulation. It is a good remedy for birth control, chest congestion, nervousness, child birth, skin disease, itch, gas, toothache, gout, phlegm in chest and lungs, jaundice, intestinal pains, convulsions, ulcers, sores in mouth, itch, insect bites and snake bites, intestinal pains, and colic. Used on a daily basis it could attack and kill sperm cells. It will relieve nausea, but should not be taken by pregnant women as it may cause abortion!