Can Trich Lie Dormant? Testing Positive When Your Partner Tests Negative

A positive trich result can be a shock, especially if you feel fine or your partner has just tested negative. Questions about timing and fault come up fast. The honest answer is that trich is often silent, so the result alone rarely tells a story, and it doesn’t have to be a verdict on anyone.

Can trich lie dormant?

The CDC pages cited here describe an infection that often causes no symptoms and can last for months or years if it isn’t treated. The CDC says most people with trich have minimal or no genital symptoms, and that untreated infections might last from months to years. Symptoms can also come and go, so an infection can be present and passed on without anyone noticing.

How long can you have trich without knowing?

Symptoms can start 5 to 28 days after infection, according to the CDC and NHS, but others don’t develop them until much later. The CDC states that people with trich can pass it to others even if they don’t have symptoms.

Why did I test positive when my partner tested negative?

There are several ordinary explanations, and none of them needs a story about betrayal.

• Many people have no symptoms. The CDC says about 70% of people with trich have none, and MedlinePlus says most men do not have symptoms, so a partner may not know they have it.
• Testing is less settled for men. The CDC guidelines note that several trich tests are not FDA-cleared for use with specimens from men, and that labs should validate them before use with urine or urethral swabs from men.
• Some tests miss infections. The CDC says looking at a sample under a microscope has low sensitivity, 44% to 68% compared with culture, so a negative result of that kind doesn’t rule trich out.
• The infection may be older than the test. Because untreated infections might last months or years, the infection may have started well before the test.

A positive result in one partner and a negative result in the other can both happen when infections are silent and tests vary. If you want to know where your partner stands, ask which test was used and whether a repeat or different test is worth doing. A partner who has not been tested can order an online STD test, as long as it includes trichomoniasis.

Does a positive test mean someone cheated?

A test result can’t answer that. The result alone doesn’t show how long the infection has been there or which partner it came from. Because trich is often silent and can last months or years untreated, either of you may have had it for a long time without knowing.

If a conversation feels hard, it can help to lead with the medical facts: it’s common, it’s curable, and the main task now is treating everyone involved. A doctor or clinician can advise you on contacting your sexual partners, according to the NHS.

What should we do next?

1. Get treated. Trich is treated with oral antibiotic medicine prescribed by a clinician. The CDC calls it the most common curable STI.
2. Treat partners at the same time. The CDC says your sex partners should receive treatment at the same time, to avoid reinfection. The NHS says current and any recent partners also need treatment.
3. Pause sex until everyone has finished treatment. The CDC says not to have sex again until you and your partner(s) complete treatment. The NHS adds at least 1 week after finishing.
4. Retest. For women, the CDC recommends retesting about three months after treatment, even if partners were treated too. For men, the CDC guidelines say the data are insufficient to support retesting, so ask your clinician what makes sense for you.

For more on why testing can vary between people, see which test do I need and trich in men. If you also have discharge or odor, BV, yeast or an STD explains how the causes overlap.