• Sexually transmitted infection caused by a parasite
  • Caused by the one-celled protozoan organism Trichomonas vaginalis.
  • It is easily treated


In women:

  • Vaginal discharge, which can be white, gray, yellow, or green
  • Vaginal spotting or bleeding
  • Genital burning or itching
  • Genital redness or swelling
  • Frequent urge to urinate
  • Pain during urination or sexual intercourse
  • Vaginal discharge, which is usually frothy with an unpleasant smell

In men:

  • Discharge from the penis
  • Burning during urination or after ejaculation
  • An urge to urinate frequently
  • Itching of urethra


  • Caused by a one-celled protozoan
  • Trichomonas vaginalis causes Trichomoniasis

Risk Factors

  • Multiple sexual partners
  • A history of other STIs
  • Previous trichomoniasis infections
  • Sex without a condom

Diagnostic Tests

  • Cell cultures
  • Antigen tests
  • Tests that look for Trichomonas DNA
  • Examining samples of vaginal fluid(women)/urethral discharge(men)


  • Treated with antibiotics
  • Both the partners have to be treated
  • Avoid sexual contact for a week after the treatment


  • Metronidazole (Flagyl)
  • Tinidazole (Tindamax)


  • Abstain from sex
  • Use condoms correctly every time while having sex
  • Use latex condoms

Lifestyle Management

  • Do not change sexual partners frequently
  • If sexually active, get checked for STIs regularly
  • Have protected sex
  • Avoid multiple partners
  • Practise hygeine in the genital area