A female patient presents with reddish vagina and greenish discharge, the probable diagnosis is :
## **Core Concept**
The question involves identifying a condition characterized by a reddish vagina and greenish discharge, which suggests an infectious etiology, likely a sexually transmitted infection (STI). The symptoms point towards a specific type of vaginitis.
## **Why the Correct Answer is Right**
The correct answer, **Trichomonas vaginalis** infection, is a common cause of STIs that presents with a greenish, frothy vaginal discharge and vaginal irritation, which can cause the vagina to appear reddish. This organism is a flagellated protozoan that infects the vagina, urethra, and sometimes the bladder in women. The greenish discharge is a classic sign due to the presence of the organism.
## **Why Each Wrong Option is Incorrect**
- **Option A:** Candidiasis typically presents with a white, cottage cheese-like discharge and does not usually cause a greenish discharge.
- **Option B:** Bacterial vaginosis presents with a thin, white or gray discharge with a fishy odor but not typically greenish.
- **Option D:** Gonorrhea can cause discharge but is more commonly associated with a purulent urethral discharge in men and may cause mucopurulent cervical discharge in women, not characteristically greenish.
## **Clinical Pearl / High-Yield Fact**
A key clinical pearl is that Trichomonas vaginalis infection is often associated with a "strawberry cervix" appearance due to punctate hemorrhages on the cervix, along with the greenish discharge. This condition is treated with antibiotics, specifically metronidazole or tinidazole.
## **Correct Answer:** . **Trichomonas vaginalis**