Answer:
Medicated oil is a familiar item in many Vietnamese households, commonly used to alleviate headaches, dizziness, stuffy noses, or for massage when experiencing aches. Many people also have the habit of keeping a bottle of medicated oil by their bedside for convenient use, which is entirely reasonable given the benefits it provides when used correctly.
Keeping medicated oil by the bedside allows immediate access when needed, particularly at night for symptoms such as headaches, dizziness, stuffy noses, or muscle aches. Certain medicated oils contain menthol, camphor, peppermint oil, eucalyptus oil, or cajuput oil. When applied topically or inhaled briefly, these components can produce a cool, soothing sensation and help ease minor symptoms.
For headaches caused by stress or fatigue, applying a small amount of medicated oil to the temples or neck can create a cooling sensation, providing comfort. The scent of menthol helps clear the airways, which is why many find relief from a stuffy nose. Topical application to the shoulders, nape, or back can produce a warming or cooling sensation, easing mild muscle aches after exercise. However, medicated oil does not reduce inflammation, treat colds, or address the root cause of headaches.
The scent of some essential oils in medicated oil may deter mosquitoes within a small area, but this is not a highly effective or long-lasting mosquito repellent. Some individuals feel more relaxed due to the aroma of peppermint or eucalyptus oil, which can aid sleep. However, there is currently no strong scientific evidence to confirm that simply opening a bottle of medicated oil by the bedside will improve sleep quality or treat insomnia.
Overall, you can keep a bottle of medicated oil by your bedside for convenient use when needed. However, you should not leave the cap open all night, as the strong essential oil scent can cause discomfort, respiratory irritation, or headaches in some individuals, particularly young children, those with asthma, or individuals with sensitive constitutions.
For safe use, it is important to only apply it topically as directed by the manufacturer. Do not apply to eyes, mucous membranes, or open wounds, and do not drink or swallow medicated oil. Avoid overuse multiple times a day or application over large skin areas. Young children, especially those under two years old, require caution because certain ingredients like camphor or menthol can cause adverse effects if used improperly. Individuals with a history of essential oil allergies should discontinue use if itching, rash, or skin irritation occurs.
Doctor Nguyen Trong Thuy
Former head doctor for the Vietnam National and U23 Football Teams
