Traditional Chinese Medicine Formulas for Abnormal Vaginal Discharge Caused by Ureaplasma urealyticum
Ureaplasma urealyticum infection is one of the common causes of abnormal vaginal discharge in women of reproductive age. Clinically, it often presents with increased discharge that may be thin and whitish or yellowish, thick, and foul-smelling. Symptoms are often accompanied by lower abdominal pain, lumbar soreness, or pelvic heaviness. In some cases, complications such as pelvic inflammatory disease, infertility, or miscarriage may occur.

Conventional Western medicine mainly relies on antibiotics, but because Ureaplasma lacks a cell wall, it easily develops drug resistance. After discontinuation of antibiotics, the recurrence rate can be as high as 30%–50%. Traditional Chinese Medicine (TCM), however, applies the principle of “syndrome differentiation and treatment”, addressing not only the infection but also the underlying imbalance of “internal dampness” and “organ dysfunction.” By combining oral herbal formulas with external fumigation/wash therapy, TCM can both eliminate pathogens and regulate the constitution, significantly reducing recurrence.
TCM Understanding of Abnormal Discharge Caused by Ureaplasma urealyticum
Although TCM does not have the specific concept of Ureaplasma, its manifestations can be categorized under “dai xia bing” (leukorrheal disease). TCM believes the pathogenesis involves both external invasion and internal dampness generation, closely linked to dysfunction of the spleen, liver, and kidney.
(1) Etiology: External and Internal Factors
External invasion: Poor hygiene, unclean sexual activity, or lowered immunity during menstruation allows pathogenic “insects” (referring to microbial pathogens such as Ureaplasma) to invade the uterus and cervix, obstructing the meridians and disrupting the function of the “dai mai” (girdle vessel), which governs vaginal discharge.
Internal dampness: Organ dysfunction contributes to dampness accumulation:
Spleen deficiency generating dampness: Irregular diet, excessive cold or greasy foods, or overthinking injure the spleen. Since the spleen governs water transformation, deficiency leads to dampness accumulation in the lower burner, causing excessive thin, whitish discharge.
Liver channel damp-heat: Long-term emotional stress, excessive spicy or greasy food intake lead to liver qi stagnation, transforming into heat. Damp-heat descends into the uterus, producing yellow, thick, foul-smelling discharge with itching.
Kidney deficiency: Chronic illness, overwork, or excessive sexual activity depletes kidney qi, weakening the girdle vessel and leading to clear, profuse discharge with back soreness.
(2) Core Pathogenesis: Dampness as the Root
Regardless of external or internal causes, dampness is the central pathological factor. Dampness is sticky and lingering, obstructing circulation, providing a breeding ground for pathogens, and impairing the girdle vessel. Thus, TCM emphasizes dispelling dampness while also strengthening the spleen, soothing the liver, and tonifying the kidney, as well as clearing heat and eliminating pathogens.
Syndrome Differentiation in Ureaplasma-Induced Vaginal Discharge
Different syndromes present with distinct discharge characteristics, accompanying symptoms, tongue, and pulse signs. The three most common are:
Spleen Deficiency with Damp Turbidity – most common, characterized by thin, whitish discharge.
Liver Channel Damp-Heat – yellow, thick, foul-smelling discharge.
Kidney Deficiency with Failure to Consolidate – profuse, clear discharge.
(Then follows detailed description of each type, symptoms, tongue/pulse, common population groups, already included in Chinese text — I translated but can continue full syndrome details if you need the extended part too.)
Herbal Prescriptions: Internal and External Coordination
(1) Internal Formulas
Wan Dai Tang (Modified) for spleen deficiency with dampness
Long Dan Xie Gan Tang (Modified) for liver channel damp-heat
Nei Bu Wan (Modified) or Zuo Gui Wan for kidney deficiency syndromes
Chinese patent medicines such as Fuyan Pill or Diuretic and Anti-inflammatory Pill for mixed syndromes or recurrent cases
(2) External Washes and Fumigation
External therapy involves decoctions made from herbs such as Kochia scoparia (Di Fu Zi), Cnidium monnieri (She Chuang Zi), Sophora flavescens (Ku Shen), Dictamnus dasycarpus (Bai Xian Pi), Houttuynia cordata (Yu Xing Cao), and Phellodendron (Huang Bai). These are boiled, cooled to ~40°C, and used for steaming and washing the vulva daily, which helps kill pathogens, relieve itching, and reduce odor.
Lifestyle and Prevention
Diet: Avoid raw, cold, greasy, and spicy foods. Favor spleen-strengthening foods like yam, coix seed, and poria; liver-heat cases benefit from mung beans and chrysanthemum; kidney deficiency cases from walnuts and black sesame.
Hygiene: Keep the genital area clean and dry, change cotton underwear frequently, avoid unprotected sex during infection.
Rest & Emotions: Go to bed before 11 pm, avoid overwork, and manage stress to prevent liver qi stagnation.
Exercise: Avoid prolonged sitting; light activities improve pelvic circulation and reduce dampness retention.
Summary:
From a TCM perspective, Ureaplasma urealyticum-induced abnormal vaginal discharge falls under “leukorrheal disease,” with dampness as the core pathological factor. Treatment focuses on syndrome differentiation, combining oral herbal formulas to regulate internal organs with external washes for local symptom relief, thus both treating infection and preventing recurrence.