Trichomoniasis 101: Causes, Symptoms, and Treatment of This Common STI

Uncovering the Truth About Trichomoniasis

What is Trichomoniasis?

Trichomoniasis, also known as trich, is a common and curable sexually transmitted infection (STI) caused by a parasite called Trichomonas vaginalis. According to the Centers for Disease Control and Prevention (CDC), approximately 3.7 million people in the United States contract trich every year.

Symptoms of Trichomoniasis

Trichomoniasis affects both men and women, but women are more likely to contract the infection. Symptoms may appear anywhere between 5 and 28 days after contraction and can include:

  • Itching, burning, redness, or discoloration in or around the vagina
  • Painful sex
  • Abnormal vaginal discharge
  • Pain when urinating
  • Lower abdominal pain

Men may experience:

  • Pain during sex
  • Redness, discoloration, or swelling around the head of the penis
  • White discharge from the penis
  • Pain or burning when urinating
  • Painful ejaculation

How is Trichomoniasis Transmitted?

Trichomoniasis is typically transmitted through sexual contact, including vaginal, anal, or oral sex, without using a barrier method. The parasite can also be spread through shared sex toys or contact with infected semen or vaginal fluid.

The Possibility of Non-Sexual Transmission

While rare, trichomoniasis can be transmitted through non-sexual means, including:

  • Toilets: Damp toilet seats can harbor the parasite.
  • Clothing or towels: Damp clothing or towels can transmit trichomoniasis.
  • Shared bathwater: Sharing bathwater with an infected person can lead to transmission.
  • Public pools: Improperly cleaned public pools can spread the infection.

What to Do If You Suspect Trichomoniasis

If you or your partner experience symptoms, get tested for STIs. The CDC offers a free tool to locate STI testing near you. Don’t hesitate to get tested – it’s the only way to confirm a diagnosis.

Treatment and Prevention

Trichomoniasis can be treated with antibiotics, such as metronidazole (Flagyl) and tinidazole (Tindamax). Finish the entire prescription, even if symptoms disappear. To prevent trichomoniasis, use a barrier method during sex, such as a condom, diaphragm, or dental dam. Communicate openly with your partner about your sexual history and consider getting tested together.

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