What causes trichomoniasis in women?

Written by Li Li Jie
Obstetrics and Gynecology
Updated on May 12, 2025
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Women are susceptible to trichomonal vaginitis mainly due to poor sexual hygiene. Alternatively, low immunity can lead to an imbalance in the vaginal flora, thus triggering a trichomoniasis infection. Trichomonal vaginitis primarily causes itching of the vulva and the discharge resembles nasal mucus and is yellow-green in color. For this condition, anti-inflammatory medications are mainly used for internal application, supplemented with potassium permanganate solution and acetic acid solution for cleansing. During treatment, sexual activity should be prohibited to prevent intercourse, and the diet should be light, avoiding spicy and stimulating foods, and concentrating on a mild diet. (Use medications under the guidance of a doctor)

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Written by Zhang Lu
Obstetrics
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Can trichomonas get pregnant?

If a woman undergoing a vaginal secretion test is found to have trichomonas, she should be diagnosed with trichomoniasis. It is not recommended for women with trichomoniasis to become pregnant; they should first treat the trichomoniasis before attempting conception. If pregnancy occurs while trichomoniasis is present, the inflammation might spread through the cervix into the uterine cavity, affecting the implantation and later development of the gestational sac. Even if the gestational sac develops in the early stages, there might be complications such as intrauterine infection or premature rupture of membranes later on. Therefore, once diagnosed with trichomoniasis, treatment with medications should be initiated, typically healing within a week. After experiencing another menstrual cycle, it is then completely safe to try to conceive.

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Written by Zhang Hui
Obstetrics and Gynecology
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Can trichomonas vaginitis be detected by routine leukorrhea tests?

The main symptoms of trichomonal vaginitis are increased vaginal discharge and vulvar itching. The discharge is generally a grayish-yellow, frothy, thin liquid with a foul odor. Women with trichomonal vaginitis can detect the infection through a routine vaginal discharge test. It is recommended to visit the gynecology department of a local formal hospital and follow the active treatment under the guidance of a clinical doctor. During the treatment period, sexual intercourse should be avoided, vulvar hygiene should be maintained, and loose, breathable underwear should be worn and changed frequently. The diet should be light, avoiding raw, cold, spicy, and other irritating foods.

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Written by Huang Shuai
Obstetrics and Gynecology
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Is trichomonal vaginitis that doesn't itch not serious?

Trichomonas vaginitis is caused by the infection of Trichomonas vaginalis in the vagina, where it normally should not be present, indicating it is an infectious disease. For most patients with trichomonas vaginitis, the symptom of itching is not very noticeable. Moreover, there is no clear correlation between the degree of itching and the severity of the disease, so the presence or intensity of itching should not be used to determine whether the condition is mild or severe. As an infectious disease, the presence of this condition indicates an infection, namely the presence of Trichomonas vaginalis. Therefore, once diagnosed, it is recommended to seek timely treatment. Delayed treatment may increase the risk of ascending infections such as pelvic inflammatory disease or urinary system infections.

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Written by Li Shun Hua
Obstetrics and Gynecology
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What medicine is used for trichomonal vaginitis?

Trichomonal vaginitis can be treated with metronidazole or tinidazole. Metronidazole can be taken orally or used vaginally. Generally, one treatment course, which lasts 7 days, is sufficient. Tinidazole can also be taken orally for treatment. Since trichomonal vaginitis is mostly caused by sexual activity, it is necessary for the male partner to be treated simultaneously. This is because the male may also carry the trichomonas. If he is not treated, even if the female is cured, she can become reinfected during sexual activity. (Please use medication under the guidance of a doctor.)

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Written by Zhang Xiu Rong
Obstetrics and Gynecology
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What should I do about trichomonal gynecological inflammation?

Trichomonal vaginitis typically presents clinically with watery, foul-smelling, and frothy vaginal discharge, generally accompanied by itching that worsens at night. At this time, it is advisable to visit a hospital to get a secretion test to confirm the diagnosis. If it is a trichomonas infection, treatment can be administered according to the symptoms of trichomonal vaginitis. Normally, female vaginal discharge is clear, transparent, odorless, and in small amounts, which is considered normal. If a trichomonas infection occurs, symptomatic treatment usually leads to improvement within a week. Therefore, patients with trichomonal vaginitis must go to the hospital for a secretion test and then choose the appropriate medication based on the test results for symptomatic treatment. It is also crucial to maintain hygiene of the external genitalia to prevent infection, and inflamed conditions should be treated promptly.