Pennyroyal is applied to the skin to kill germs, keep insects away and treat skin It is also used topically for gout, venomous bites, and mouth sores; and as a flea-killing bath. In manufacturing, pennyroyal oil is used as a dog and cat flea repellent.
Fliskouni is also used to control muscle spasms, cause sweating and increase urine production.
This herb is also used by women to start or regulate their menstrual periods or to cause an abortion.
Pennyroyal is also used for colds, pneumonia and other breathing problems. Moreover it has a positive effect against stomach pains, gas, intestinal disorders, and liver and gallbladder problems.
The infusion of the herb is useful for washing wounds. The poultice of the herb helps to abscesses, sores and bruises.
Pennyroyal seems to have positive effect on smokers’ lungs.