While some of the proposed benefits of peppermint oil come from anecdotal evidence, research suggests peppermint oil may be beneficial for IBS and other digestive conditions, as well as pain relief. Peppermint oil is generally safe, but it can be toxic when taken in very large doses. Read more
Another 2016 study suggested that vapors from essential oils, such as peppermint oil, have antibacterial properties that may help alleviate some types of upper respiratory infection. Inhaling steam and vapors can be helpful for easing nasal congestion from colds and other upper respiratory infections.
There are calcium and sodium channels in cell membranes throughout our bodies, and that is why we can see systemic toxicity after swallowing or inhaling concentrated amounts of menthol. Serious effects include seizures, coma, and death. Menthol can cause eye and skin irritation.
“In fact, breathing in the particles released by the oils may actually trigger airway inflammation and asthma symptoms,” she says. “The strong odors emitted by essential oils may contain volatile organic compounds, or VOCs. VOCs are chemical gases that worsen air quality and can irritate the lungs.”
Possible side effects of peppermint oil taken orally include heartburn, nausea, abdominal pain, and dry mouth. Rarely, peppermint oil can cause allergic reactions. Capsules containing peppermint oil are often enteric-coated to reduce the likelihood of heartburn.
Essential oils have a variety of health benefits, from skin care to stress relief. The most common way to use essential oils is to inhale them, either directly out of the bottle or by using a diffuser or humidifier. You can also dilute essential oils with a carrier oil and apply it directly your skin.
Peppermint can cause some side effects including heartburn, dry mouth, nausea, and vomiting.
The menthol in peppermint works as a decongestant, shrinking swollen membranes in the nose and making it easier to breathe, and also helps loosen mucus that has collected in the lungs. Peppermint may also help prevent a sickness from coming on in the first place.
Asthma attacks: While essential oils may be safe for most people to inhale, some people with asthma may react to breathing in the fumes. Headaches: Inhaling essential oils may help some people with their headaches, but inhaling too much may lead to a headache in others.
After inhalation of peppermint aroma, the nasal airflow force increased, thus the author speculated this effect supply more oxygen to the brain, which could be effective for continuing physical performance.
The menthol in peppermint can cause adverse side effects in large amounts. While it's difficult to consume too much menthol by drinking peppermint tea, it's not recommended for people with certain health conditions. Peppermint can help with digestion and stomach pain but can worsen acid reflux.
Open the windows wide and put a fan in the window to blow in fresh air. Open two windows, one at each end of the room, to create an air current. Place a bowl of baking soda or coffee grounds in the room affected by the scent; these household products will absorb the odor.
Peppermint Oil Spray
Reapply the spray as the scent fades, usually after about two weeks.
First, each essential oil will stay in the air for a different amount of time. Top notes, like peppermint, lavender, and eucalyptus typically evaporate within an hour or two. Middle notes, like rosemary, geranium, and chamomile, often aromatically evaporate within two to four hours.
Your risk of side effects increases if you spray large amounts of undiluted peppermint oil in an enclosed area. Always dilute peppermint oil and use caution when spraying it inside your home. Avoid spraying your whole house at once.
Adults: 0.2ml to 0.4ml of peppermint oil 3 times a day. Children ages 8 and up: 0.1ml to 0.2ml of peppermint oil 3 times a day.
The topical application of peppermint oil is generally safe, although it is necessary to dilute with a carrier oil like almond or jojoba oil. It is advised that some people may experience a burning sensation or allergic rash, especially with sensitive skin.
Eucalyptus oil has been used widely for centuries as a home remedy for respiratory conditions. Eucalyptus oil contains an ingredient called cineole. A 2013 study found that cineole had antimicrobial effects on some bacteria that cause respiratory illnesses.
While some active compounds and essential oils may potentially benefit people with COPD by clearing mucus from the lungs and opening the airways, there is insufficient evidence to support their use as a cure or treatment. However, they may help alleviate some COPD symptoms.
In another study, smelling peppermint oil was found to improve memory and alertness, compared to ylang-ylang, another popular essential oil ( 33 ). Summary Peppermint oil, found in peppermint tea, may help increase alertness and memory, which may improve concentration.
VOCs within the diffused oils can affect indoor air quality causing a similar pollutant effect as air fresheners, scented candles, and incense. Poor indoor air quality can worsen existing respiratory symptoms from allergies, asthma, and other respiratory illnesses.
Don't Neglect Your Diffuser – or Your Reaction to Oils
This is especially important for diffusers utilizing water, which can harbor bacteria that can effect indoor air quality, making you sick.