NHM UP Staff Nurse - 2017
Obstetrics & Gynaecology
Easy

Thick white and cheesy vaginal discharge indicates which underlying problem?

Appeared in: NHM UP Staff Nurse - 2017

Explanation

  • A thick, white, and cheesy or 'cottage cheese-like' vaginal discharge is the hallmark sign of a yeast (fungal) infection, also known as vulvovaginal candidiasis.
  • This discharge is typically odorless but is accompanied by significant vulvar itching (pruritus), burning, and redness.
  • The causative agent is most commonly an overgrowth of the fungus Candida albicans, a commensal organism in the vagina.
  • Diagnosis is supported by a vaginal pH that is typically normal (less than 4.5) and microscopic identification of yeast buds or hyphae.

Why Other Options Were Wrong

  • Option A: Bacterial vaginosis presents with a thin, watery, gray or white discharge that has a characteristic fishy odor, which is different from the thick, cheesy discharge described.
  • Option B: Gonorrhea is often asymptomatic in women. When discharge is present, it is typically purulent (pus-like) and originates from the cervix, not the vagina itself.
  • Option D: Trichomoniasis is characterized by a frothy, yellow-green, and foul-smelling discharge, which does not match the 'thick, white, cheesy' description.

Related Visual

An infographic visually comparing the color, consistency, and odor of vaginal discharge in Yeast Infection, Bacterial Vaginosis, and Trichomoniasis.
Clinical Relevance
  • Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Differential diagnosis of vaginitis based on discharge characteristics as background academic context rather than a clinical decision trigger.
  • Accurately identifying the type of vaginal infection based on discharge characteristics is a crucial nursing skill for triage, patient education, and anticipating the correct treatment (antifungal, antibiotic, or antiprotozoal).
  • Patient education should include information on medication adherence, avoiding douching (which disrupts normal vaginal flora), and the importance of partner treatment if the cause is an STI like Trichomoniasis.
  • What if? If the discharge was described as 'thin and fishy-smelling,' the most likely diagnosis would shift from a yeast infection to Bacterial Vaginosis, requiring antibiotic treatment (like metronidazole) instead of an antifungal.
How to Approach the Question
  • First, identify the key descriptors of the vaginal discharge in the question stem: 'thick,' 'white,' and 'cheesy'.
  • Recognize that these are classic 'buzzwords' in nursing and medicine for a specific condition.
  • Systematically evaluate each option against this classic description.
  • Recall or deduce the typical discharge for each condition: Bacterial Vaginosis (thin, fishy odor), Gonorrhea (purulent, often none), and Trichomoniasis (frothy, yellow-green).
  • Match the 'thick, white, cheesy' description to its corresponding diagnosis, which is a yeast (fungal) infection.
Concept Tested & Keywords
  • Concept Tested: Differential diagnosis of vaginitis based on discharge characteristics.
  • Stem keywords: Thick white and cheesy, vaginal discharge
  • Lead-in keywords: indicates

Question ID

Q1I94DAOyC7NvEMKME3Y58

Reference Book

E6 Medicine Davidson Principles Practice 24e p. 355-357

E6 Gynecology Williams p. 69-92

Practise the full NHM UP Staff Nurse - 2017

Attempt every question from this paper in a timed mock, then review the full solution for each one.