A Layperson’s Guide to The Best Oil of Oregano Dosages


hand holding eyedropper dosage of oregano oil from brown glass bottle

Are you looking for the correct oil of oregano dosage for treating certain conditions?

The oregano plant is a member of the mint family and was traditionally used in Mediterranean culture as a culinary and medicinal herb. 

In our article, A Closer Look at Oil of Oregano Ingredients and Health Benefits, we looked at its anti-microbial properties and health benefits.

Due to the potential for using oregano oil as a natural health product, you may find a lot of information available telling you what’s the best oil of oregano dosage for treating various ailments, such as treating colds, tooth infections and other ailments.


What is The Best Oil of Oregano Dosage?


Historically, oil of oregano was originally used by the ancient Greeks as a healing salve applied to the skin. The oil was massaged into the skin and used to treat joint pain, insect bites, sore muscles and skin rashes.

At press time, there are no documented, double-blind, placebo-controlled research studies on human subjects using specified oil of oregano dosages for treating a specific health condition.

** Oil of oregano is not considered a medicine, therefore, any dosage recommendations are purely suggestions.


Here you’ll find suggested oregano oil dosages from various oregano oil manufacturers.

You’ll learn about various dosages when taking oregano oil by mouth or applying the oil topically to the skin.

You’ll also learn about some suggested dosages when giving oil of oregano to children and the risk for possible side effects.

Please consult with a health care professional before using any natural health product or supplement.


Suggested Oil of Oregano Dosage by Mouth


bottle of oil of oregano soft gels and eyedropper bottle of liquid oregano oil

Oregano oils are available in soft gels and liquids

This popular natural health product is available in both capsule and bottled liquids.

These 2 forms make it very versatile, and allow you to apply the liquid oil to any desired area on the body, or ingest it like a nutritional supplement. 

These dosage suggestions are based on information from various oil of oregano manufacturers and producers. 

Oil of Oregano Dosage by Mouth for Adults:

  • Using a sterilized eye dropper, place 4 – 6 drops of oil under your tongue and hold it there for a few minutes then flush your mouth out with water. 

  • For sore throats or oral/gum care, you can place 4 – 6 drops in a glass of cool water and gargle with it.
  • Suggested frequency for oral dosages is 3 – 6 times per day, depending on the severity of the infection.

  • For preventative use, try taking a lower dosage of 1 – 4 drops per day, held under the tongue for a few minutes, followed by a glass of water.

  • For a weaker solution, you can dilute 100% pure oil with an equal amount of olive oil.

Liquid oregano oil can leave a strong, spicy taste when taken orally or sublingual (under the tongue).

You can reduce this spicy sensation by drinking drink milk or chewing on some bread to increase saliva production.

Liquid Oregano Oils are available in many different concentrations and you may need to experiment with the dosage amounts.


Oil of Oregano Capsule Dosage Recommendations

bottle of Nature's Way Oregano Oil Soft gel 60 Veg Capsules

Oil of Oregano Capsules

One of the main advantages of taking oil of oregano in the capsule form is you won’t be able to taste the oil.

Oregano Oil Capsules are available in a wide variety of dosages and they can come mixed with a number of other active and in-active ingredients.

Be aware that when ingesting oregano oil, there may be an increased risk for experiencing side effects, compared to applying the oil topically. Some people claimed to have experienced high blood pressure from oil of oregano and it may also cause mild gastrointestinal issues, such as upset stomach or gas.

Due to the wide range of soft gel dosages and various ingredients that may be mixed into the capsules, we cannot provide any recommended oil of oregano dosages for specific health conditions.

It’s suggested you follow the manufacturer’s dose recommendations and closely monitor for any possible reactions.


Suggested Oil of Oregano Dosage for Topical Application


glass eyedropper with oil of oregano dosage dripping into amber bottle

Historically, oregano oil was originally used by the ancient Greeks as a healing salve applied to the skin. The oil was massaged into the skin and used to treat joint pain, insect bites, sore muscles and skin rashes.

When applying to the skin, the suggested oil of oregano dosage is one or two drops of 100% pure oregano oil massaged into the affected area.

It’s recommended that people with sensitive skin do a small skin patch test with a diluted version of oregano oil to assess for any potential adverse effectgs.

Allow a few minutes for the oil to absorb and then remove any excess oil. This will help reduce the strong oregano scent that may linger afterwards.

Avoid getting any oil in the eyes, open sores or sensitive skin areas.


Suggested Oil of Oregano Dosage for Children

In our article, Using Oil of Oregano for Children, there are important factors to consider when giving this oil to children.

It’s recommended you only apply the oil topically to children under 5 years of age.

Children between the ages of 5 to 10 years of age can take oregano oil by mouth, but it should be diluted, for safety reasons.

  • Oil of Oregano Dosage for Topical Application – 6 months to 5 Years Old:

    Dilute 1 part oil of oregano and 4 parts olive oil and apply to the soles of feet and spine.You can also try adding a few drops of oregano oil to warm bath water and soaking the child’s feet in it. Avoid applying the oil to any open sores or sensitive areas.

  • Oil of Oregano Dosage by Mouth – 5 – 10 Years Old:

    Place 1 drop of oil of oregano mixed in juice or milk and give up to 3 times a day. Children 10 years old and older may use up to 3 drops, three times per day in juice or milk. Manufacturers recommend you don’t exceed giving oil of oregano more than 7 – 10 days of use in children.


Oil of oregano is an essential oil with the potential for offering many health benefits.

Due to the lack of documented placebo-controlled, double-blind human studies, there are no specific oil of oregano dosages for treating specific health conditions.

Consumers are advised to follow oil of oregano manufacturer’s suggested dosage recommendations that come with each specific product and carefully monitor for any adverse effects.

It’s strongly advised you contact your Doctor or Health Care Provider for additional advice before using any nutritional or natural health product for treating any specific health condition.


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Author Details
Kevin is a full-time blogger with a passion for functional, whole food nutrition. A former Registered Respiratory Therapist with over 25 years experience in Intensive Care and Emergency Medicine, he also has additional training as a Certified Natural Products Advisor. He enjoys a vibrant lifestyle that includes healthy foods, workouts focusing on core strength with flexibility and longboarding to stay fit and agile.