Oregano oil has wide-reaching health benefits, but is most associated with respiratory and immune system health. It is known for helping prevent and treat infections, such as:
Urinary tract infections (UTIs) caused by bacteria like E. coli, Proteus,and Pseudomonas aeruginosa.13
Respiratory infections brought on by Klebsiella pneumoniae and Staphylococcus aureus bacteria strains.14
Yeast infections, even those that are resistant to the commonly used antifungal drug Diflucan.15
Parasitic infections caused by the amoeba giardia – it was even found to be more effective than antibiotics like Tinidazol.16
oregano oil has strong antibacterial properties that can kill this deadly superbug.
Methicillin-resistant staphylococcus aureus (MRSA) infection – A team of Indian and British researchers found that oregano oil has strong antibacterial properties that can kill this deadly superbug.17
Oregano oil has also shown promise in preventing food-borne illnesses caused by pathogens like listeria, salmonella, E. coli, and Shigella dysenteria. Adding it to foods not only helps kill the bacteria, but may also alleviate food poisoning symptoms. An animal study from University of Arizona researchers also found that oregano oil can help kill norovirus,18 which causes gastroenteritis.
Oregano oil is also a prized antiseptic essential oil in aromatherapy because its proportion of phenols is said to be the highest of all aromatic plants. Aside from using the steam method to relieve coughs and other respiratory illnesses, you can also use it to:
Ward off insects. Carvacrol in oregano oil works as a natural insect repellant. Try putting a few drops on outdoor furniture, or apply a diluted mixture on your skin when heading outdoors.
Relieve bug bites and rashes, including poison ivy rash. Apply oregano oil diluted with olive oil on the affected areas.19
Help heal cold sores, dandruff, and other skin conditions. Some experts also advocate using a diluted version to treat acne and rosacea.
Ease sore throat. Simply add a few drops to a glass of water. It can help alleviate toothache as well.
Relieve muscle and joint pain, rheumatoid arthritis (RA), sprains, and cramps.20