5 Amazing Oregano Oil Benefits

Oregano oil benefits include protecting the heart, reversing depressive symptoms, balancing hormones, controlling pain and fighting infections.

oregano oil benefits

It is believed that oregano oil is one of the 10 most active oils against E. coli—just one of multiple oregano oil benefits.

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Oregano oil is truly a remarkable little miracle herb. Research studies confirm oregano oil benefits a variety of conditions, but its most impressive use involves its ability to fight a variety of infections. Oregano oil is such a powerful home remedy, it may very well be the most important bottle in your medicine cabinet.

Below, we take a closer look at the five top ways that oregano oil can benefit your health.

1. Oregano oil has antiviral and antibacterial properties.

Traditional healers since ancient times have used oregano extract to treat respiratory issues such as coughs, colds, flu, sore throats, and bronchitis. These types of respiratory infections are typically caused by viruses or bacteria. Based on notable research studies, oil of oregano benefits immunity because it helps improve symptoms of respiratory infection due to its antiviral, antibacterial, and anti-inflammatory properties.

The volatile oils in oregano include thymol and carvacrol, which have been shown to inhibit the growth of bacteria including Klebsiella pneumoniae and Staphylococcus aureus—the bacteria often responsible for respiratory infections.[1] In fact, oregano oil is considered a broad-spectrum antibacterial, which means it kills both gram positive and gram negative bacteria species. In addition, oregano oil capsules have been shown to be effective against antibiotic-resistant bacteria.[2–4]

Furthermore, oregano oil benefits those suffering from respiratory infections or the flu because it promotes sweating, which makes it useful to bring a fever down. The oil also can be used to clear lungs and bronchial passages by mixing with a base of oil and rubbing it on the chest and aching muscles or by boiling it with hot water or adding it to a vaporizer to inhale the steam.

2. Oregano oil fights urinary tract infections (UTI).

Pseudomonas aeruginosa is a common urinary pathogen and the third-leading cause of hospital-acquired UTI. Oregano oil benefits patients who suffer from UTIs due to its high content of carvacrol, which eradicates Pseudomonas aeruginosa bacteria.[5,6] Wild oregano oil with the highest content contain 75 to 85 percent carvacrol. It also inhibits growth of E. Coli (Escherichia coli O157:H7) and Proteus, bacteria that also cause UTIs.[7]

3. Oregano oil benefits fungal and yeast infections.

Aside from bacteria, oregano is also a very potent antifungal herb. In fact, oregano oil may be a more powerful anti-fungal agent than many commercial products on the market. Oregano oil is effective in eliminating the fungus that causes athlete’s foot as well as treating fungal infections on the skin and nails.

Oregano oil is also effective at inhibiting the Candida fungi (yeast). It is more effective than other natural supplements in cases of yeast infections resistant to the conventional drug fluconazole (Diflucan), according to research published in the Canadian Journal of Microbiology.[8]

4. Oregano oil kills parasites.

Giardia is an amoeba, common throughout the world. There are more than 200 million people infected with Giardia each year. Research studies indicate that oregano is effective against Giardia.[9]

Oregano oil even protects against parasitic infiltration both in a physical environment and within the body. This includes round worms, tape worms, bed bugs, lice, fleas, and mosquitoes.

5. Oregano oil protects against foodborne illnesses as well as digestive issues.

Studies have demonstrated antibacterial activity of essential oils against some of the most common foodborne pathogens, among them Listeria, Salmonella, E-Coli, and Shigella dysenteria (which causes dysentery).[10,11] In fact, you can add oregano oil to your eggs, meat, seafood, salad, or other dishes to actually prevent food poisoning microbes from growing. You can also add a few drops to your leftovers to prevent food spoilage.

The most common symptoms of food-borne illness tend to be digestive issues. Oregano oil’s high content of carvacrol and thymol can help calm down stomach upset and aid in digestion by stimulating bile flow. Therefore, symptoms of food-borne illness—including nausea, vomiting, and indigestion, among others—can be alleviated by using the oil. Oregano oil also kills Helicobacter pylori, the bacteria that cause gastric ulcers. It can help with bowel problems such as constipation, diarrhea, and/or bloating and indigestion.

How to Take Oregano Oil

Now that you know the amazing oregano oil benefits, you need to know how to safely take the herb. It’s widely available in bottled liquid extract, capsule, and tablet form; wild P73 oregano oil is the most potent. (Please note that before you begin an oregano oil supplement, advice from a healthcare professional is strongly encouraged.) In our post “How To Take Oregano Oil,” you’ll find details on how and how much oregano oil to take for specific ailments or purposes.

This article was originally published in 2012 and is regularly updated.

[1] Pak J Pharm Sci. 2009 Oct;22(4):421-4.
[2] J Med Food. 2008 Sep;11(3):568-73.
[3] Microbial Pathogenesis. 2016 Oct; 99: 95-100.
[4] Indian J Pharm Sci. 2012 Sep;74(5):443-50.
[5] J Appl Microbiol. 2001 Sep;91(3):453-62.
[6] Journal of Food, Agriculture & Environment. 2010 April;8(2):272-274.
[7] Med Dosw Mikrobiol. 2012;64(4):297-307.
[8] Can J Microbiol. 2008 Nov;54(11):950-6.
[9] Parasitol Res. 2006 May;98(6):557-60.
[10] Int J Food Microbiol. 2004 Aug 1;94(3):223-53.
[11] Food Microbiol. 2013 May;34(1):123-9.


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Jami Cooley, RN, CNWC

Jami Cooley is a Certified Nutrition and Wellness Consultant as well as a Registered Nurse, but her interest in integrative medicine grew out of her experience in conventional medicine. Cooley … Read More

View all posts by Jami Cooley, RN, CNWC

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  • Is it better to take oregano oil (for chest infection) in pincutre form or capsules or are they equally beneficial?

  • Congratulations for Web!My 40 j. medic. expiriens with herb wild oregano !Best regards ! Dr.med.S. Brdar/80101 Livno/Bosnia_ Herzegowina

  • I would regard oil of oregano as the most useful herb known to man. I’ve killed strep throat in minutes with this oil, lung infections and even hsv1. I used to use Abreva but I found this more effective. Also for strep it works faster than antibiotics. Be very careful though this stuff can burn like crazy. If you apply it directly to your skin it’s gonna Hurt if it’s on a sensitive area.

  • Oil of oregano is the master oil. It can be used for everything and help every ailment. This may sound subjective however, my family and I plus friend used and is using it. I first read about the oil back in 2004 or so because a lady used it for one year and completely cured her genital herpes. I do not like to go to doctors, they never know exactly what’s wrong with you (the real reason behind your ailments). Using oregano in doing oil pulling with extra virgin olive oil has revived my oral health.
    I was in a wheel chair after giving birth due to back injury. I rubbed oil of oregano on my back. I am walking around completely fine nowadays. My children take oil of oregano for cold or flu like symptoms. The symptoms becomes reversed, the same day or the next. I got a coldsore on my lip for the first time a year ago and I put oregano on it. It went away the same day. My knee was hurting due to a fracture I rubbed it with oil of oregano there is no more pain. I get migraines I mix 2 full drops in 8oz water. Every 4 hours. My headache gone. Most people like to sue for stupid reasons because they want to get rich quick, blaming others for fault of their own (everything is someone else’s fault). So No one wants to put themselves out there to tell people about oil of oregano in fear of being sued, especially in America. Most persons think the doctors should tell them everything and how they should go about life ( whatever) this will never happen. Go try it for your self. Trial and error situation. The most that can happen with oregano is you will get better. Just try! Make sure your not allergic to it because, the food we eat has destroyed our cells since the real enzymes are not present. So we have become allergic to everything. So be careful for that reason. If you eat poorly and your system is weak, plus you are allergic to everything you should try in small portions. Only following the labels. As for me and my family and most of my friends we have stayed and will stay healthy having this beast of a supplement.
    Oh I forgot oil of oregano burns. It is still the best ever, my children ask for it. (10 years old & 4years old) Buy only the food grade oil to take by mouth. I use the same one to rub. The carvocrol (C10H14O)
    needs to be 70% or higher. Don’t be cheap, buy the best one its for your health. If you can buy alcohol that isn’t good for the liver and pretty much kills you slowly you can buy this. By the way oil of oregano taste just as bad as dry wine and beer. Except it is superior and healthier.

  • Hi I will like to know which oil of oregano and mg should I buy for e.coli bacteria. I read before 500mg in capsule but cant fine one with that measure and how many times a day for how long?

  • I once listen to an MD on National Public Radio claim he administered Oil of Oregano in a patients IV Fluids who had Sepsis throughout their body and as a last ditch effort to save their life…did this to kill the infection . Supposedly, the patient was cured and Oil of Oregano administered via IV was the reason.

    Has anyone out there in the medical field ever heard of this…?

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