How Essential Oils Can Cause You Serious Harm
Dangerous Interactions With Pre-Existing Conditions

People with pre-existing health problems can suffer some side effects from just inhaling certain oils. It is suggested that those with pre-existing health conditions like asthma or heart problems do not use essential oils unless working with a trained and experienced Aromatherapist. Being a certified Aromatherapist involves 200 or more hours of classes and training as well as studying chemistry and drug interactions. In fact, Aromatherapists have a code of ethics to follow. They are prohibited from telling their patients to ingest an essential oil without diluting it and studying their health history in detail. This is why it is critical to not take just anyone’s recommendation.
Illness Or Death When Swallowed

Only long-term and devoted essential oil supporters take essential oils orally. In other words, this is definitely not something a basic essential oil fan should do. The practice of consuming essential oils was designed to be done under the care of an aromatherapist trained in that particular form of therapy. Doing so is so dangerous that certain toxic oils can even cause miscarriages when swallowed. Additionally, oils like pennyroyal and wintergreen are extremely poisonous if swallowed and can cause death. Other oils can become extremely irritating if they have gone past their shelf life. So, skip the oral use of oils unless you're using oils under the supervision of a trained medical professional.