What should I do if I get my period with trichomonal vaginitis?

Written by Zhao Xiao Dong
Obstetrics and Gynecology
Updated on May 02, 2025
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If you have trichomonal vaginitis and are menstruating, you cannot use topical treatments; instead, you must continue with oral medications. Take oral metronidazole tablets, and after your period, supplement with topical metronidazole suppositories. Combining these treatments is necessary to achieve a cure.

For trichomonal vaginitis, treatment must also be provided for the male partner, involving oral metronidazole tablets to prevent cross-infection. Trichomonas vaginitis is very prone to recurrence, often related to cross-infection between partners, and sometimes linked to unclean bed sheets, duvet covers, underwear, and panties. It is necessary to clean and disinfect these items thoroughly.

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Written by Huang Shuai
Obstetrics and Gynecology
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Can trichomonal vaginitis heal on its own without medication?

Trichomonas vaginitis is often caused by an infection with Trichomonas vaginalis and generally does not heal spontaneously without treatment. Moreover, the trichomonads causing trichomonas vaginitis can also be present in the urinary system, i.e., they can appear in the urethra. Therefore, after diagnosing trichomonas vaginitis, it is usually not recommended to use local medications, i.e., medications applied only in the vagina, but rather to use systemic medications. This is because trichomonads may be present in locations other than the vagina. If only local vaginal medications are used, it might lead to the situation where, even if the vaginal infection is cured, trichomonas vaginitis could be reinfected from the urethra, leading to a recurrence. Hence, once diagnosed with trichomonas vaginitis, it is recommended to treat it, and oral medication is advised.

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Written by Zhang Hui
Obstetrics and Gynecology
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Is trichomonal vaginitis prone to recurrence?

Trichomonas vaginitis is a common gynecological disease caused by Trichomonas vaginalis. It has a high incidence rate. Recurrence is likely if the treatment is incomplete, or if there is sexual activity during treatment, and if personal hygiene is not maintained, or if there is poor resistance. It is advised to visit the gynecology outpatient clinic at a local reputable hospital. Under the guidance of a clinical doctor, cooperate actively with the treatment. During treatment, sexual activity should be prohibited, maintain cleanliness and hygiene of the private parts, wear loose, breathable, pure cotton underwear, change frequently, and avoid eating spicy or other irritating foods.

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Written by Su Wen
Obstetrics and Gynecology
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Why can't you have sex with trichomoniasis?

Trichomonas vaginitis is caused by Trichomonas vaginalis. During treatment, it is important to keep the vulva clean to prevent secondary bacterial infections. Wash the vulva daily, change underwear frequently, avoid spicy foods and alcohol during the acute phase, and abstain from sexual activity during treatment. After treatment, it is necessary to check for Trichomonas negativity promptly. Continue treatment for one more cycle after the next menstruation is completed, and recheck the vaginal discharge after each menstruation. Cure can be considered after three negative results. During treatment, it is also important to avoid reinfection. Underwear and towels used for washing should be boiled for about 5 to 10 minutes to eliminate pathogens.

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Written by Huang Shuai
Obstetrics and Gynecology
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Trichomoniasis is caused by what?

This trichomoniasis infection is generally usually caused by contact with trichomonas, and since trichomonas is a sexually transmitted disease, sexual activity can spread or transmit trichomonas. Of course, besides sexual activity, any other possible contact with trichomonas can also lead to infection, such as using unclean sanitary ware, towels, or during swimming; these can all potentially cause trichomonas infection. Thus, any activity that could possibly involve contact with trichomonas might lead to an infection.

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Written by Zhang Hui
Obstetrics and Gynecology
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Does trichomonal vaginitis affect the fetus if pregnant?

Women with trichomonal vaginitis who become pregnant should seek timely treatment under the guidance of a doctor. Mild inflammation generally does not adversely affect the fetus. However, if the inflammation is severe, it can ascend and enter the uterine cavity, potentially leading to conditions such as preterm birth or premature rupture of membranes. Therefore, to avoid any complications, pregnant women with trichomonal vaginitis should cooperate with their doctors for prompt and active treatment. It is recommended that pregnant women pay attention to rest during pregnancy, avoid stress and excessive fatigue, and maintain a relaxed mood.