Often, when discussing sexually transmitted infections (STIs), trichomoniasis is perceived as a problem that primarily affects women. However, this belief is both inaccurate and dangerous. Men can also contract and transmit trichomoniasis, and while it is frequently asymptomatic, the consequences of not treating it can be significant.
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What is trichomoniasis in men?
Trichomoniasis is a common sexually transmitted infection (STI) caused by a microscopic protozoan parasite called Trichomonas vaginalisIn men, this parasite primarily infects the urethra, although it can also affect the prostate, seminal vesicles, and foreskin.
Unlike in women, where the infection is usually more symptomatic and active, trichomoniasis in men is frequently "silent," which does not prevent them from transmitting the parasite to their sexual partners. This characteristic makes it one of the least diagnosed and most widespread STIs in the male population.
Causes
The direct cause of trichomoniasis is infection by the parasite Trichomonas vaginalisThis microorganism cannot survive outside the human body for long, so its transmission requires direct contact.
Forms of contagion
Unprotected sex is the primary route of transmission. The parasite is transmitted through skin-to-skin contact with an infected person, specifically through vaginal fluids and semen. It can occur during vaginal sex and, to a lesser extent, through oral or anal sex.
Sharing sex toys without washing them properly or without using a new condom for each person can be a route of transmission, and although less common, the parasite can be transmitted if the genitals come into close contact, even without penetration.
It is crucial to emphasize that trichomoniasis is not transmitted through toilet seats, kissing or hugging, sharing food or drinks, or using swimming pools, jacuzzis or saunas.
Specific risk factors
The risk increases with having multiple sexual partners, not using condoms consistently and correctly during all sexual encounters, having a history of other STIs, and having a sexual partner who has been diagnosed with trichomoniasis.
How to tell if a man has trichomoniasis: Signs and signals
Common symptoms
When symptoms do occur, they usually appear between 5 and 28 days after infection, although they can appear much later. The most common signs include irritation or itching inside the penis, a burning sensation when urinating or after ejaculation, clear, white, yellowish, or greenish urethral discharge (sometimes scant), pain or discomfort during sexual intercourse, pain or swelling in the prostate area, and mild redness on the head of the penis (glans).
Importance of early detection
Early detection is essential to prevent transmission to sexual partners, perpetuating the cycle of infection, and to avoid complications or developing more serious health problems.
Comparison with symptoms in women
The difference is remarkable. In women, trichomoniasis is usually symptomatic and more obvious, causing abundant vaginal discharge, often frothy, yellowish-green in color and with a characteristic foul odor, intense itching, burning and redness of the vulva and vagina, pain when urinating and during sexual intercourse, and light spotting between periods.
This difference in the presentation of symptoms is one of the reasons why the infection is more frequently diagnosed in women.
Procedures for detecting it
Due to the high rate of asymptomatic cases, diagnosis in men requires specific tests. The most common method is the analysis of a urine sample (first void). In some cases, the doctor may take a sample of urethral discharge with a swab.
Routine urine tests do not detect trichomoniasis; a nucleic acid amplification test (NAAT) is required, which is highly sensitive and specific for identifying the parasite's genetic material. If symptoms of prostatitis are present, a prostate exam and analysis of prostatic fluid may be necessary.
What is the difference between trichomoniasis and chlamydia?
Both are common STIs and can share symptoms such as urethral discharge and burning during urination, which often leads to confusion. However, they are distinct infections.
In trichomoniasis, the cause is the protozoan parasite Trichomonas vaginalis, It presents with burning, itching, mild discharge but is often asymptomatic; complications such as prostatitis, urethritis, and a possible link to prostate cancer may occur, and it is treated with a single or short dose of specific antibiotics.
Chlamydia, on the other hand, is caused by the bacteria Chlamydia trachomatisIts symptoms include watery or milky urethral discharge and burning, but it is frequently asymptomatic. Possible complications include epididymitis, infertility, and reactive arthritis, and it is treated with a course of different antibiotics.
Only a healthcare professional can make an accurate differential diagnosis using the appropriate tests.
Treatment for trichomoniasis in men
Trichomoniasis treatment is effective, simple, and affordable.
- Drugs of choice: The antiparasitic drugs Metronidazole or Tinidazole are the mainstay of treatment.
- Dosage: The most common treatment is a single dose of Metronidazole (2 grams) or Tinidazole (2 grams). In some cases, the doctor may prescribe a lower dose regimen for 7 days.
- Sexual abstinence: It is essential to abstain from sexual relations until both the man and his partner(s) have completed treatment and all symptoms have disappeared.
- Couple therapy: It is essential that all sexual partners be treated simultaneously to prevent reinfection.
- Avoid alcohol: During treatment with Metronidazole or Tinidazole and for 24 to 72 hours after its completion, alcohol consumption should be completely avoided, as it can cause a severe reaction with nausea, vomiting, and tachycardia.
- Follow-up: A cure test is not always necessary in men, but it is recommended if symptoms persist or if there is a risk of reinfection.
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What happens if it's left untreated: Risks and complications
Ignoring the infection can lead to serious health problems:
- Increased risk of HIV transmission: The inflammation and small lesions caused by the parasite in the genital tract create entry points for the Human Immune Deficiency Virus (HIV).
- Nongonococcal urethritis: Inflammation of the urethra that causes pain and difficulty urinating.
- Prostatitis and vesiculitis: The infection can ascend and cause inflammation of the prostate (prostatitis) or seminal vesicles, which can be painful and complex to treat.
- Epididymitis: Inflammation of the epididymis (the coiled tube behind the testicles), which can cause scrotal pain and swelling and, in rare cases, affect fertility.
- Infertility: Although less common than in women, untreated chronic infection can affect semen quality and sperm motility.
- Possible association with prostate cancer: Some research studies have suggested a possible association between chronic infection by T. vaginalis and a higher risk of developing more aggressive prostate cancer.
Prevention of trichomoniasis
Trichomoniasis is a preventable infection. The most effective strategies include:
- Correct and consistent use of the condom: Latex and polyurethane condoms, used in all sexual relations (vaginal, anal and oral), greatly reduce the risk of infection.
- Maintaining a mutually monogamous relationship: With a partner who has been tested and is free of STIs.
- Get tested regularly for STIs: Especially if you have multiple sexual partners or have had unprotected sex.
- Open and honest communication: Talk to sexual partners about their STI history and the importance of getting tested.
- Sexual abstinence: It is the only 100% effective method to prevent STIs.
- Avoid alcohol and drug use: Especially in sexual contexts, as they can cloud judgment and lead to risky practices.
- Simultaneous treatment: Of all sexual partners if a diagnosis of trichomoniasis is received.
Frequently Asked Questions (FAQs)
Who transmits trichomoniasis, the man or the woman?
Both. Both infected men and women can transmit the parasite. Trichomonas vaginalis to their sexual partners.
Can I have trichomoniasis without symptoms?
Yes, it is estimated that the vast majority of men with trichomoniasis (up to 85%) have no symptoms or their symptoms are so mild that they go unnoticed. This does not mean that the infection is harmless or not contagious.
How long does trichomoniasis last in a man?
Without treatment, trichomoniasis will not clear up on its own. The parasite can remain in the urogenital tract for months or even years, causing a chronic, asymptomatic but active infection. Only appropriate antibiotic treatment can eliminate the infection.
What does it smell like when you have trichomoniasis?
A foul or fishy odor is a classic symptom of trichomoniasis in women. In men, this symptom is extremely rare. Male infection typically does not produce a noticeable odor.
Is trichomoniasis less common in men than in women?
It's not that it's less frequent, but rather that it's underdiagnosed. Women tend to present more obvious symptoms, while asymptomatic men rarely get tested, so the infection goes unrecorded in the statistics. It's believed that the true prevalence in men is much higher than official figures indicate.
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Conclusion
Trichomoniasis in men is a prevalent, often silent, STI, and the belief that it is exclusively a female problem is a dangerous myth that contributes to its spread. At the slightest suspicion, or if a partner has been diagnosed, seeking medical attention is an act of self-care and care for others.
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