Is Tea Tree Oil Good For Cold Sores?

Tea Tree Oil For Cold Sores

What Are Cold Sores?

Cold sores are a fairly common infection affecting about 20-40% of the population globally. Cold sores are small blisters like rashes that develop around the corners of the mouth or on the lips. Many will have doubts that does tea tree oil help cold sores or is tea tree oil good for cold sores? Here in this article, you can clear all your doubts and the tips to use.

Depending upon their occurrence, cold sores can be of two types;

1. Primary- This is when a person is first infected with HSV-I. The infection is often a severe one and may be accompanied by other presenting symptoms such as;

2. Recurrent- Recurrent infection is when the cold sores re-appear. Recurrent infections present with signs and symptoms of a lesser intensity than primary ones.

Signs And Symptoms Of Cold Sores 

  • Herpes simplex rash begins as tiny blisters.
  • The blisters are very painful. They may itch, burn, or cause a tingling sensation.
  • The blisters, later on, turn into crusts that break open.
  • Multiple blisters may occur at a time
  • The cold sores blisters may last for about 7-10 days after which scabs begin to form.
  • Cold sores generally heal completely without leaving any scars.

Conventional treatment of cold sores with acyclovir, valacyclovir, and famciclovir usually suppresses or shortens the duration of the illness. Over the last few years, essential oils have garnered a lot of attention by virtue of their ability to treat disease conditions naturally with the least possible side effects.

In case if you have cold sores and having doubts about is tea tree oil good for cold sores, essential oils like tea tree oil can be used along with conventional anti-viral treatment.

What Are The Causes Of Cold Sores?

Cold sores are caused by a virus called the herpes simplex virus type-I (HSV-I). Once you have had cold sores, the herpes simplex virus remains dormant within the body and it may reactivate and trigger infection under favorable conditions like;

  • Fever
  • Cold and flu
  • Sunlight
  • Injury
  • Hormonal changes like menopause or menstrual cycles
  • Excessive stress

The blisters are heavily infested with the virus so it is important to take precautions to not spread the virus by avoiding any direct contact with other people such as kissing, sharing lipsticks and other cosmetics, sharing clothes or towels, and utensils like cutlery. Particular care must be taken to avoid contact with high-risk group individuals such as;

  • Babies
  • Pregnant women
  • Elderly patients
  • Patients with comorbidities such as diabetes, hypertension
  • Patients with a weak or compromised immune status as in those with auto-immune diseases, HIV, or those on chemotherapeutic drugs

Is Tea Tree Oil Good For Cold Sores?

Herbal plants and their essences or oils have been a significant part of traditional medicine. It has natural broad-spectrum antimicrobial properties and is also effective against the herpes simplex virus.

It, therefore, supports the immune system by virtue of its antiseptic and anti-inflammatory properties by enhancing the process of healing and promotes faster recovery from signs and symptoms.

Tea tree oil, as well as other essential oils, possess compounds that can be effectively used for the treatment of infectious diseases, such as;

  • Flavonoids
  • Phenolic compounds
  • Alkaloids
  • Saponins
  • Steroids
  • Glycosides
  • Tannins

There is plenty of research to prove that the herpes virus is susceptible to several essential oils and their constituents. Herpes simplex virus strains that are resistant to acyclovir have also been found to be susceptible to essential oils as their mode of action is quite different from synthetic drugs.

The antiviral activity of tea tree oil against herpes simplex virus type-I (HSV-I) works in the following ways;

  • Viral particle inactivation
  • Adsorption inhibition
  • Growth inhibition of the virus

Since it has such amazing anti-microbial properties, it is being widely used in several cosmetics and skincare products. A major advantage of using this oil over synthetic drugs is that it is relatively inexpensive, more tolerable by patients and the virus is very less likely to develop a resistance towards it.

Side Effects Of Using A Tea Tree Oil For Cold Sores

Tea tree oil is generally well tolerated. There are no documented drug interactions of tea tree oil so it can be safely used by almost everybody.

This oil possesses strong anti-viral and anti-bacterial properties. It is, therefore, one of the best alternative treatments available for the management of cold sores; however, some concerns have been expressed regarding its toxicity.

People have documented certain side effects towards topical or oral use of this oil especially by ones who were allergic to it. Some of the side effects of this oil were possibly reported due to;

  • Oral use- Oral ingestion of tea tree oil can be potentially toxic
  • Overuse- Excess use of the oil can cause skin irritation
  • Allergy to components of tea tree oil is one of the commonest reasons for side effects
  • Overdose or unmonitored dose

Some of the reported side effects of this oil occur due to inappropriate quantity or using the oil directly without a carrier oil. Some side effects include;

  • Burn like skin reaction
  • Itching
  • Skin irritation
  • Redness and swelling of the affected area

Side effects of this oil or any other essential oil can be avoided if you know exactly how to use these oils. the following are some tips to use this oil for cold sores;

  • Essential oils are nothing but highly concentrated plant extracts. The quantity of essential oil required is very minute and it has to be diluted in a carrier oil like coconut oil or olive oil and then used.
  • Once prepared, the preparation should only be dabbed on the skin lightly and not rubbed
  • Tea tree oil must be used only by adults or people over the age of 12 years. It should be avoided in children and pregnant women due to its possible toxicity

[Also Read: Tips to use coconut oil for athletes foot]

It is always advisable to get proper directions from a qualified person about proper tea tree oil or even other essential oils in order to avoid unwanted side effects.

Also, it is important to understand that essential oils can be used along with anti-viral medicines to support the immune system and promote faster healing. It is not meant to replace conventional treatment.


Dr. Himanshi Purohit

Dr. Himanshi is a Homeopathic consultant currently working as a lecturer in Post-graduate faculty of Homeopathy, Parul University, Vadodara.