Oregano Oil – 10 Health Benefits, Uses, and Side-effects

The benefits and uses of common medicinal oregano oil have existed since the days of the ancient Egyptians. Widely known for its presence in Italian cooking, including salads, soups, and pizzas, oregano oil has become medicinally important. Oregano oil is a highly concentrated product made from the oregano plant. You can find oregano oil readily available in pills, capsules,s and liquids from most health food and vitamin stores. It can be taken orally or applied to the skin.

Benefits of Oregano Oil

A certified sports nutritionist, Erin James describes, oregano contains phenols, terpenes, and terpenoids that are high in antioxidants and known to be helpful for the body and overall health. Its oil is made by drying the leaves and stems, and depending on the use, several extraction methods can be used. The benefits and uses of oregano oil include antioxidant, antibiotic, and antifungal properties. The article discusses the health benefits of oregano oil. 

Benefits of Oregano Oil 

1. Anti-inflammatory properties 

Inflammation is the body’s response to a disease. Body wounds are often associated with adverse health effects. Studies have shown that carvacrol, one of the major ingredients in oregano oil, reduces swelling. [1] Rich in antioxidants, oregano can help the body neutralize free radicals and reduce inflammation. 

2. Treats yeast infection 

Although not harmful, severe overgrowth in yeast can lead to infections and intestinal problems. Research has shown that oregano essential oil is quite effective for fighting yeast infections, including in the mouth and vagina. [2] The most common types of yeast candida are associated with Crohn’s disease and uncertain colitis. 

3. Strong antioxidant properties

Antioxidants are substances that prevent oxidation and fight free radicals in the body. Furthermore, the appreciation of free radicals in the body may be synchronous with long-term diseases such as cancer and other cardiovascular problems. Oregano oil is a natural antioxidant containing carvacrol and thymol, which help prevent cell damage.

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4. Provides pain relief

Due to its analgesic properties, oregano oil exhibits the same effect as morphine. Test-tube studies in rats using oregano extract provided results demonstrating that the simulation was shift-dependent. With more oregano extract, mice experience reduced pain.

5. Fights cancer

The presence of carvacrol in oregano oil indicates cancer-fighting properties. With healthy cells intact, oregano oil has the ability to individually select cancer-causing cells.

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6. Aids in weight loss

Carvacrol has been shown to be an active ingredient for weight loss. In a study of rats, feeding them a high-fat diet containing carvacrol showed significantly less weight gain. The same group of mice, when fed a high-fat diet, gained significant weight. In addition, carvacrol may inhibit the formation of fat cells. You can use oregano oil for your weight loss program as part of a healthy lifestyle.

7. Prevents viral infections

The health benefits of oregano oil, which contains the well-described compound of carvacrol and its analogue thymol, are numerous. Recent studies have shown that using oregano oil can help prevent viruses. Oregano oil blocks the entry of viruses, thus strengthening the body’s antiviral proponents demonstrate that preventing or reducing sinus really makes sense, more research needs to be done. Hence, oregano oil shifts for sinus treatment must be prescribed with the help of a healthcare professional. Furthermore, since oregano oil is by nature more of a dietary supplement, there is no F.D.A. approval and therefore, no control over purity and shifts.

Read Also: Fenugreek Oil – 11 Ways Health Benefits, Uses & Side-effect

8. Lower cholesterol levels

Studies have shown that the consumption of high-fat foods and oregano oil reduces cholesterol levels in the body compared to those who eat only high-fat foods. After further experimentation, those who used oregano oil in their diet had lower levels of bad cholesterol (LDL) and higher levels of good cholesterol (HDL). 

9. Antibiotics

Carvacrol in oregano oil is an antibiotic. There are plenty of studies showing that oregano oil can eliminate infections and common ailments such as colds, flu, and skin infections. Additionally, oregano oil can treat ear infections quite efficiently. This natural antibiotic shows the same effectiveness as pharmaceutical antibiotics.

10. Cleanses your gut

Oregano oil can improve your intestinal function, especially in extreme situations like bloating. When your intestinal wall is defective, an intestine becomes swollen, allowing bacteria and other toxins to enter the bloodstream. Oregano oil protects your intestinal wall from injury and flatulence.

Uses of Oregano Oil

Oregano oil adds a special seasoning to soups, sauces and other dishes. Oregano oil has been used as a means to treat fungal infections in your body and improve the air quality in your home. Applying oregano oil in its diluted form directly to the injured area can combat bacterial infections and help the injury heal faster. Using oregano oil can help treat the common cold and cough.

Side Effects of Oregano Oil 

Oregano oil can prove unsafe if taken in excessive amounts. Here are a few possible side effects you may need to concern yourself with:

  • People with diabetes should be careful about the amount of oregano oil they use as it can lower their blood sugar.
  • It will help if you avoid oregano oil during pregnancy due to increased anxiety about miscarriage. 
  • Oregano oil can be harmful if you are allergic to plants in the Lamiaceae family. 
  • If you already have bleeding disorders, it can increase bleeding. 
  • Taking oregano with oil can reduce the absorption of copper, iron and zinc in your body. 
  • If you eat a lot of oil, you have a higher risk of damaged internal cell tissue. 
  • Oregano oil is so powerful that it can also elicit complications for people with certain heart conditions.   

Therefore, oregano oil should be used in the right amount considering its benefits and harms as excessive use of any product can harm our health. The above is information provided for general information purposes only. It is recommended that you consult your doctor before using oregano oil for healing. 


The information discussed in this article is about the health benefits of oregano oil. In this article you will learn about the benefits and harms, uses and other information of oregano oil. I hope the information mentioned in this article will be useful to you. Thank you! 


1. What does oregano oil do with the body?

Ans: Oregano oil is an excellent source of vitamin K. Studies have shown that vitamin K is important for bone health and blood sugar control. Oregano oil contains antioxidants that help stop free radicals from damaging your cells which can lead to serious diseases like cancer. 

2. Is oregano oil good for the lungs?

Ans: Oregano contains compounds like carvacrol and terpenes that help clear the lungs. This oil can help reduce lung inflammation and congestion and improve airflow. Drinking oregano tea daily can be helpful for people with asthma or other respiratory problems.

3. What is the best way to take oregano oil?

Ans: Recommend taking the oil in capsules for its strong flavor, but you can also take this oil directly by adding two drops to one teaspoon of carrier oil, such as mixing it with olive oil.

4. Does oregano oil help get rid of mucus?

Ans: A few drops of oil can be used in a diffuser or inhaled directly to relieve a stuffy nose. Using this essential oil in a vapor inhaler can help loosen and drain your nasal mucus. If you suffer from a sore throat, mixing the oil drops with warm water before gargling can help reduce the pain.

5. Is oregano oil good for respiratory tract infections?

Ans: When used in aromatherapy, oregano oil can boost the immune system and improve respiratory efficiency by loosening and removing mucus and phlegm buildup.

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