Common hazards of moxa smoke are that it may cause itchy throat, sore eyes, and allergies in moxibustion practitioners. Moxa smoke contains a variety of substances that are beneficial to the human body and have the effect of treating and preventing diseases. However, the burning of moxa can produce aldehydes and phenolic substances, if the ventilation is poor, long-term inhalation of moxa smoke, may have some adverse effects on the human body. Excessive inhalation may appear dizziness, swelling of the brain, throat discomfort, enlarged tonsils, eye pain, allergic reactions, etc., and even some people gradually develop an abnormal sensitivity to smoking, intolerable to the smoke, and even chest tightness or irritability and other feelings. It is recommended that the use of moxa be guided by a professional physician. If you experience discomfort after inhaling moxa smoke, you should stop using it in time to avoid further deterioration of symptoms.