Oregano oil side effects
Oregano oil side effects are usually mild and typically occur due to an overdose or when it is used incorrectly. Common oregano oil side effects may include upset stomach and diarrhea when consumed internally, and skin irritation when used topically. According to the medical literature, internal use of oregano oil can cause low blood pressure (source) and may also influence the good bacteria (source) in the gut.
In this guide you will find everything you need to know about oregano oil so you can enjoy the many benefits and uses of oregano oil while minimizing the oregano oil side effects.
In this guide
Common oregano oil side effects
- Common side effects.
- Oregano oil healing crises.
- Oregano oil & blood pressure.
- Oregano oil & probiotics.
Prevent oregano oil side effects
Oregano oil side effects
Oregano oil is considered very safe when used properly. Oregano oil side effects are usually mild and typically occur due to an overdose or when it is used incorrectly.
Oregano oil side effects when taken by mouth may include:
- Upset stomach.
- Healing crises: flu like symptoms, fever. See healing crises section to learn more.
- Allergic reaction is uncommon but may occur in people who have allergies to plants in the mint family (Lamiaceae).
- Skin or nail irritation when used topically for skin or nail issues.
To avoid side effects, using oregano oil is not recommended in the following cases:
- Using oregano oil topically on sensitive areas in the body such as skin or genital areas.
- History of liver damage or low blood pressure.
- Known high toxicity issues in the body.
too much oil of oregano side effects
Consuming too much oil of oregano side effects are common and usually include upset stomach, diarrhea and other symptoms of toxicity.
Some people are more sensitive than others and may get all the oregano oil benefits using very low dosage. If a person that has an allergy or sensitivity to oregano oil (or the mint family) takes too much oil of oregano, it can be harmful. See our dosage section to make sure you avoid the unpleasant side effects of an overdose.
How to take oregano oil
To make the most benefits and minimize potential side effects, follow these guidelines when you take oregano oil internally (orally):
- Dilute the oregano oil with other mild oils such as olive oil.
- Put the oregano oil in an empty capsule to avoid irritation to the delicate mouth tissue.
- Take oregano oil with a meal, preferably meal containing healthy plant based fats such as olive oil, coconut oil, coconut butter, avocados, raw fresh nuts or seeds.
- Start with the lowest possible dosage for 2-3 days.
- Gradually increase the oil of oregano dosage if needed. See the dosage section to learn more.
- Take oregano oil for up to 2 weeks and then discontinue for at least 2 weeks.
- If you take oregano oil for colds, sinus infection and other immune system function, take multi strain probiotics as well. According to research, oregano oil may kill the good bacteria as well. See the oregano oil & probiotics section to learn more.
Oregano oil for candida, yeast infections and parasites:
- If you take oregano oil for candida or yeast infections, use it in combination with a candida cleanse. On its own, oregano oil is not effective enough to treat a typical candida overgrowth infection, as many other factors need to be considered and addressed during the treatment. In addition, using oregano oil for candida may lead to a severe candida die off symptoms. See the oregano oil for candida section to make sure you use it correctly and avoid these common painful mistakes.
- If you take oregano oil for parasites, it is very important to take it as a part of a parasite cleanse to make sure the cleanse addresses the entire parasites life cycle (from eggs to adult parasite phase), as well as to minimize a potential healing crises. See the parasites section to learn more.
In addition, here are common mistakes you should avoid when you take oregano oil:
- Pure oregano oil is too strong to be taken internally or used externally. Always dilute the oregano oil with other carrier oils such as olive oil or coconut oil. If you are new to essential oils, it is best to skip the DIY experimentation and get a formula that was made by professionals and designed to be both safe and effective. A good example is Dr. Group’s oregatrex which combines the highly potent organic mediterranean oregano oil with olive oil and peppermint oil.
- Do not put oregano oil under tongue. Many home remedies suggest taking oregano oil sublingually under the tongue to increase its absorption in the body. Considering the lack of data on the efficacy of this method with the risk of irritation to the delicate mouth tissue, we strongly suggest to avoid it.
- Ongoing long term use of oregano oil is not recommended. Do not take oil of oregano everyday.
Wild mediterranean oregano oil
Oregano oil benefits are usually related to the potency of the oregano oil and the percentage of Carvacrol, the active ingredient in oregano oil. To get the most oregano oil benefits, look for oregano oil that:
- Contains at least 80% of Carvacrol.
- Derived using a cold-pressed process. Many of the oil’s nutrients and healing properties may be destroyed by heat.
- The oregano source used should be the organic wild Mediterranean oregano variety which has the strongest therapeutic properties. Other varieties of oregano may still be healthy for you, but they usually have very little to none of the medicinal properties and related health benefits of oregano oil.
A good example of a high quality organic oregano oil we often use as a part of our candida and parasite cleanses as well as for our immune system boosting protocol is Dr. Group’s oregatrex.
Oregatrex comes with empty vegan capsules to avoid mouth irritation as well as for people who prefer to avoid the strong taste of the oregano oil. This is also a great way to control the amount of oil used in each application, especially if you still need to find out what is the most effective dosage for you or if used for the entire family.
Oil of oregano dosage
The recommended oil of oregano dosage depends on many factors that should be considered before you take the oregano oil:
- The concentration of the active ingredients in the oil (phenols: Carvacrol, Thymol).
- The reason you take the oregano oil for: candida, immune system, colds, uti, sinus infection, cough, natural antibiotic substitute, etc.
- The oregano oil product form: drops, capsules.
- Your body’s response to the oregano oil.
Oil of oregano toxicity is usually not a concern, unless an overdose is taken or if there is a history of liver damage. To avoid the risk of an overdose and other side effects, here is a brief summary of how to find the right oil of oregano dosage when taken orally (internally):
- Start with the lowest possible dosage for 2-3 days.
- Take oregano oil with a meal, preferably with other fats.
- Test your body’s response.
- Gradually increase the oil of oregano dosage if needed.
- Some people are more sensitive than others and may get all the oregano oil benefits using very low dosage. More is definitely not better in this case.
Oregano oil healing crises
Oregano oil is well known for its strong antifungal (source), antibacterial (source) and antiparasitic (source) properties. For this reason, oregano oil is commonly used for candida cleanse, parasite cleanse and as a natural medicine cabinet item to fight common colds, sinus issues, UTI and other infection.
Using oregano oil may cause a healing crises and die off symptoms due to the toxins released by the dying candida, parasites or bacteria. This is one of the most common side effects of oregano oil. Symptoms of a healing crises may include flu like symptoms often with fever, joint, muscle and body pain, headache, diarrhea and others.
If you have digestive issues such as bloating, gas, constipation or diarrhea, there is a good chance you will have a healing crisis after using oregano oil, as it may take your body a long time to eliminate the dead bacteria and its toxins. For this reason, it is highly recommended to do a colon cleanse prior to using the oregano oil, to make sure your colon and digestive tract are free of accumulated waste buildup that can slow down toxins elimination.
Simple home remedies such as the overnight toxin flush are shown to be very effective and safe (see study) and can help you minimize the risk of these unpleasant healing crises discomforts after using oregano oil.
Oregano oil side effects blood pressure
One potential oregano oil side effects has to do with its effect on blood pressure. According to research, oregano oil may cause low blood pressure (source). While more studies are needed to further explore this, if you already have low blood pressure or taking blood pressure medication, this may be something to consider and discuss with your doctor before you take oregano oil.
Oregano oil & probiotics
According to research, some evidence suggests that using oregano oil kill good bacteria by inhibiting the growth of certain probiotics (source). While there are not enough studies on this topic, this is a serious enough concern that should be considered when using oregano oil. Reducing the levels of the good bacteria in the body is usually a concern when taking antibiotics, and is one of the leading cause of candida overgrowth, yeast infections and low immune function. These problems are very common and usually occur after antibiotics use.
Recommendation: when you take oregano oil, support your levels of probiotics and good bacteria:
- Use the oregano oil short term, up to 2 weeks at a time.
- Take a strong multi strain probiotics supplements during these 2 weeks.
- Continue to use the probiotics for at least 2 additional weeks after.
A good example of a multi strain probiotics supplement is FloraTrex which has a complete highly potent 23 active probiotic strains that are 100% vegan and free of any allergens.
It also contains organic Inulin; Inulin is a natural fiber known to promote the growth of probiotics by acting as a “food source for probiotics” (also known as prebiotic).
Oregano oil candida
Is oregano oil good for Candida?
Using oregano oil for candida and yeast infection is very common due to oregano oil’s antifungal properties (source). The full oregano oil benefits however, are achieved when it used in combination with a candida cleanse treatment. Oregano oil on its own is not effective enough to treat a typical candida overgrowth infection, as many other factors need to be considered and addressed during the treatment.
Oregano oil may cause side effects when used incorrectly, so it is important to know the right dosage for your body, and at what stage of the candida treatment you can start using it.
To get all of the benefits while minimizing the oregano oil side effects, and to make the most out of your candida cleanse:
- Identify the root cause of your candida issues. The root cause may vary from one person to another, and as such, the treatment or type of cleanse you need may be completely different. Certain medications, antibiotics or poor diet are common causes of candida overgrowth and should be addressed before you start the treatment.
- Check whether there is an underlying issue that prevents your body from naturally balancing the candida infection by itself. If you have digestive issues such as bloating, gas, constipation or diarrhea, these must be treated before you use oregano oil or any antifungal for candida. This is very important in order to prevent die off symptoms and other unpleasant discomforts.
For more info, see our expert guide: What is preventing your body from healing candida by itself
- Start the candida cleanse plan. A candida cleanse typically includes:
- Candida diet
- Anti candida supplements: colon cleanse, probiotics and enzymes.
- Topical candida creams may be used for relief in cases of fungal skin or nails infections, vaginal yeast infections, oral thrush and others external discomforts. Using Oregano oil for toenail fungus or skin yeast infections may cause severe irritation and is not recommended.
- Antifungals are not always needed in order to treat candida.
- Make sure your candida treatment is tailored to your individual condition, lifestyle and body needs. What worked for 9 people may make the 10th person condition’s worse. For more info see our experts guide:
How to tailor the candida treatment to your body needs
Oregano oil for parasites
Using oregano oil for parasites is very common. Oregano oil is widely known for its antiparasitic properties (source). If you use oregano oil for parasites, it is very important to take it as a part of a parasite cleanse, in order to make sure that:
- The parasite cleanse addresses the entire parasites life cycle (from eggs to adult parasite phase), which is not something oregano oil can do on its own.
- Minimize a potential healing crises, which is a very common side effect when using oregano oil for parasites.
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