The side effects of dandelion root are still unclear and need to be taken under the guidance of a medical professional with evidence. Normal use of dandelion root is generally not harmful to the liver, but if it is used in excess, it may cause patients to experience gastrointestinal discomfort such as diarrhea and abdominal pain. Dandelion root has the effects of clearing heat and detoxifying (removing heat and toxicity from the body), subduing swellings and dissipating lumps, and inducing diuresis (diuresis, discharging bacteria and inflammatory substances). It is mainly used to treat carbuncles and furuncles (a type of skin disease referring to furuncles of a serious degree), breast carbuncles and internal carbuncles, hot lymphatic astringency (a more difficult, burning sensation when urinating), and damp-heat jaundice. Since dandelion root is cold in nature, patients may experience gastrointestinal discomfort such as diarrhea if they overdose on dandelion root, and it is forbidden to use it for those who have a weak and cold constitution. It is recommended that patients use dandelion root under the guidance of a doctor, do not use without authorization, to avoid delaying the condition.