Folliculitis: Causes, Symptoms and Treatment

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Questions and Answers

A patient presents with a minor pyogenic infection affecting their hair follicles. Which of the following is the MOST likely causative agent?

  • Staphylococcus aureus (correct)
  • Candida albicans
  • Pseudomonas aeruginosa
  • Escherichia coli

A patient is diagnosed with folliculitis on their buttocks. Which of the following treatment options is LEAST appropriate as an initial approach?

  • Systemic aminoglycosides (correct)
  • Topical tetracycline
  • Topical mupirocin
  • Drainage of the affected follicles

An immunocompromised patient develops folliculitis. Which causative agent should be of HIGHEST concern?

  • Staphylococcus aureus
  • Streptococcus pyogenes
  • Candida albicans (correct)
  • Pseudomonas aeruginosa

A patient presents with folliculitis affecting the base of their eyelashes. This condition is BEST described as:

<p>Stye (C)</p> Signup and view all the answers

A patient with folliculitis is not responding to first-line topical antibiotics. Which class of antibiotics is LEAST likely to be considered for systemic treatment?

<p>Penicillins (B)</p> Signup and view all the answers

A patient develops folliculitis after using a public hot tub. Which organism is the MOST likely cause?

<p>Pseudomonas aeruginosa (B)</p> Signup and view all the answers

A 25-year-old male presents with painful, red bumps on his neck after a recent haircut. Gram stain and culture are MOST likely to reveal:

<p>Gram-positive cocci in clusters (B)</p> Signup and view all the answers

Which of the following characteristics BEST differentiates folliculitis caused by Pseudomonas aeruginosa from that caused by Staphylococcus aureus?

<p>Association with exposure to contaminated water sources (C)</p> Signup and view all the answers

Following diagnosis of folliculitis, a healthcare provider decides to prescribe a topical antibiotic. Which of the following drugs is MOST appropriate for topical application?

<p>Mupirocin (D)</p> Signup and view all the answers

A patient with recurrent folliculitis is being evaluated for underlying causes. Which of the following factors is LEAST likely to contribute to recurrent episodes?

<p>Vitamin D deficiency (C)</p> Signup and view all the answers

Flashcards

Folliculitis

Minor pyogenic infection of hair follicles.

Staphylococcus aureus

Most common causative agent of folliculitis.

Pseudomonas aeruginosa

Causative agent of folliculitis, especially in hot tubs.

Topical antibiotics

A possible treatment for folliculitis.

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Stye

A complication of folliculitis that occurs on the eyelid.

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Study Notes

  • Folliculitis is a minor pyogenic infection of hair follicles.
  • Staphylococcus aureus is the most common causative agent.
  • Other causative agents include Pseudomonas aeruginosa and Candida albicans, the latter typically in immunocompromised individuals.
  • Common sites for folliculitis are the neck, face, axillae, and buttocks.
  • A complication of folliculitis at the eyelid is a stye.
  • Treatment involves drainage along with topical or systemic antibiotics (aminoglycosides, tetracyclines, macrolides, lincosamides, or mupirocin).

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