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Editor & Reporter

Hi, My name is Kevin (learn more about me here) and welcome to this site.

As Editor and Reporter for, I've researched the health benefits of natural oils and tried to present you the most accurate and current information for enhancing your health with these products.

Thank you for visiting and I hope you find this site helpful and informative.


List of Common Oil of Oregano Side Effects: What to Watch Out For

Can you experience Oil of Oregano side effects?

While this healthy oil has been shown to have powerful anti-microbial effects, there are some possible side effects to be aware of.

Here are some tips to help you use this oil effectively and safely.

The most common Oil of Oregano side effects are:

  • Warm, tingling sensation in your mouth when taken orally.

    Typical dosage is 2 – 4 drops of oil placed under the tongue.

    Reduce the dosage if you find it too spicy.

  • Upset stomach if not diluted properly in a carrier oil.

    Using 100% pure oregano oil may cause upset stomach so try diluting it with virgin olive oil.

    You can also buy oregano oil premixed with other oils, such as vegetable oil and olive oil.

    Properly diluting the oil will help reduce the risk for any oil of oregano side effects.

You can also try taking oil of oregano capsules with food to avoid the possibility of getting heartburn from this ‘spicy’ oil.

Some oregano oil capsules come enteric-coated. This coating ensures the capsules are digested in the large intestine, not the stomach, avoiding any stomach side effects.


Important Notes:

  • Did you know Oil of Oregano may inhibit the absorption of iron? If you’re taking iron supplements, consult your physician before taking Oil of Oregano.

  • If you have any allergies to oregano, thyme, marjoram, basil or similar plants, avoid using Oil of Oregano.

  • Avoid getting Oil of Oregano in your eyes, mucous membranes and genital region. It may cause a hot burning sensation. Flushing the area with milk, yogurt or ice cream is effective. Using water may just thin out the oil and spread it more. Call your physician if the burning persists or gets worse.

  • What about Oil of Oregano and pregnancy? No documented studies on side effects or dangers. Consult your physician if you’re pregnant or breastfeeding before using Oil of Oregano.

  • Oil of Oregano for Children – Oil of Oregano can be used with children, however, there are some important factors you need to consider before administering this natural oil to your children. Particular concern is if your child has any allergies to spices, such as oregano or thyme, and the age of your child.

    The dosage and application is based on the child’s age. Here’s more information on Oil of Oregano Dosages and it recommended safe use in children.

  • Some comments on our Oil of Oregano forum show that Oil of Oregano may raise blood pressure in some individuals. In most cases, users claims that the blood pressure increase was temporary and resolved itself after discontinuing the Oil of Oregano.

Dosage Recommendations from a popular Oil of Oregano manufacturer:

  • Suggested Recommended Oral Dosage for children 5 – 10 years old:

    Use one drop, 1 – 3 times per day mixed in juice or milk. Don’t exceed 7 – 10 days of use. Children 10 years old and older may use 3 drops, three times per day in juice or milk.

  • Suggested External Use Guidelines for children 6 months to 5 years old:

    Dilute 1 part Oil of Oregano in 4 parts olive oil and apply to soles of feet and spine. Add a few drops to warm bath water with bath salts. Children 5 years old and older may use it directly from the bottle on soles of feet and spine. Dilute oil for sensitive skin areas

Editorial Comments on Side Effects from Oil of Oregano:

Keeping these tips in mind should help you get the most from using this oil and avoid any oregano oil side effects.

  • Remember that the heat sensation is normal.

  • Oregano oil may cause skin irritation if you have very delicate or sensitive skin. It’s also recommended you drink plenty of water when taking Oil of Oregano internally.

  • Use common sense and follow the recommended label dosages. This will ensure you get the most this supplement.

  • Consult with your Doctor before taking Oil of Oregano or any other nutritional/herbal supplement.

  • Discontinue using if you experience any negative side effects.

I hope this information helps you avoid any oregano oil side effects and enhances your experience.


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