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Some essential oils may ease symptoms of a cough or cold by soothing the throat, fighting bacteria, and reducing inflammation.
Research has shown that using a nasal spray containing a blend of eucalyptus, peppermint, oregano, and rosemary extracts can improve a sore throat, hoarseness, and other cough-related symptoms.
In this article, we look at the evidence to support the use of 12 essential oils in treating coughs. We also discuss the best ways to use these oils, risks, and when to see a doctor.
There are many causes for someone to cough, including the common cold, flu, or chest infection. Essential oils may help to soothe the throat, reduce inflammation, and clear away mucus.
The medical community tends to view essential oils as a complementary alternative therapy rather than a medical treatment. These oils should be used with caution, as there are no approved guidelines about dosage or strength.
However, there are instructions, and if a person follows them, any of the 12 essential oils below may help to relieve a cough.
Many people use this oil without realizing it. Over-the-counter vapor or chest rubs marketed to suppress coughs often contain eucalyptus oil. Or, they may include the oil’s key compound, called eucalyptol or cineole.
A study published in the Alternative Medicine Review found that eucalyptol has an antimicrobial effect and may fight off bacteria that cause illnesses. Eucalyptol may also help to reduce inflammation, relieve pain, and ease muscle tension that can result from a cold or flu.
Eucalyptus essential oil can be used to calm a cough in several ways. A person may want to try:
Rosemary is a common garden herb. Like eucalyptus, it contains the compound cineole.
A study published in the journal Cough found that cineole may help to break up mucus and reduce inflammation.
Natural care products for respiratory conditions often contain this oil.
Menthol is an extract of peppermint. When inhaled, it creates a cooling sensation that can soothe or numb a scratchy throat.
A 2013 study suggests that when a healthy person uses peppermint oil, it can help to relax the muscles of the windpipe, known as the bronchial muscles. This may explain why this essential oil can ease breathing in people with coughs.
Peppermint essential oil can be used by:
Using peppermint essential oil may not be advisable in children younger than 8 or people who are pregnant.
Frankincense is derived from the trees of the genus Boswellia and is often used in incense and perfumes.
It has traditionally been valued for its effect on the respiratory system, and has been used to treat coughs, catarrh, bronchitis, and asthma.
Oregano essential oil contains a high level of a potent compound called carvacrol.
Authors of a 2014 study found that carvacrol is a helpful antimicrobial agent that can fight off many types of germs.
This oil could, therefore, help to treat viral or bacterial causes of a cough.
Thyme essential oil also contains a high level of carvacrol. It may be helpful in eliminating or protecting against viruses and bacteria.
The essential oils of nutmeg, bergamot, and cypress all contain camphene, a compound similar to camphor.
When inhaled, camphene can have a cooling, refreshing effect. It also has antioxidant properties, which may help to protect cells from damage and ward off harmful germs.
A review of studies published in Complementary Medicine Research reported that a geranium extract called Pelargonium sidoides was an effective herbal cough treatment.
The geranium essential oil also has a refreshing floral scent. A person may want to add it to a diffuser or a warm bath.
While a person may not associate this spice with medicinal properties, authors of a 2017 study found that cinnamon may protect against germs that cause respiratory problems.
Adding a few drops of cinnamon essential oil to a diffuser or including the oil in a topical blend may provide relief from a cough.
Tea tree oil (Melaleuca) can inhibit the growth of bad bacteria that cause sinus infections and respiratory issues.
Crushed tea tree leaves have been inhaled by Australian Aborigines to treat coughs and colds, and inhaling tea tree oil may also help to ease the effects of a cough.
Read more online about other helpful essential oils, how to use them, and other important information about using essential oils effectively: www.MedicalNewsToday.com
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