STI: nongonococcal urethritis: practice question

A Dermatology question in the style of the NEET PG paper. Answer it first, then read why the right option is right and why each of the others is wrong.

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Dermatology · STI: nongonococcal urethritis

Sample item

A man has mucoid urethral discharge with mild dysuria and no gonococci on Gram stain. What is the first-line treatment of this nongonococcal urethritis?

Original practice item, not a recalled exam question. Nothing here is recorded.

The answer and the reasoning

A. Doxycycline 100 mg twice daily for 7 days

Chlamydia trachomatis is the commonest cause of nongonococcal urethritis and is treated with doxycycline for 7 days or single dose azithromycin. NAAT on first-void urine is the preferred test.

Option by option

  • A. Doxycycline 100 mg twice daily for 7 days (correct)

    Correct. Doxycycline treats chlamydial urethritis.

  • B. Single dose ceftriaxone

    Ceftriaxone treats gonorrhoea, not chlamydia.

  • C. Metronidazole 2 g stat only

    Metronidazole treats trichomonas and anaerobes.

  • D. Acyclovir 400 mg three times daily

    Acyclovir treats herpes simplex.

Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.

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Questions about this Dermatology question

What is the answer to this Dermatology question?

The best answer is A, Doxycycline 100 mg twice daily for 7 days. Chlamydia trachomatis is the commonest cause of nongonococcal urethritis and is treated with doxycycline for 7 days or single dose azithromycin.

Why is "Single dose ceftriaxone" not the answer?

Ceftriaxone treats gonorrhoea, not chlamydia.

Why is "Metronidazole 2 g stat only" not the answer?

Metronidazole treats trichomonas and anaerobes.

Why is "Acyclovir 400 mg three times daily" not the answer?

Acyclovir treats herpes simplex.

What concept does this question test?

It tests STI: nongonococcal urethritis in Dermatology. NAAT on first-void urine is the preferred test.

How hard is this question?

We tag it as an application question: it asks you to use a fact on a patient or a finding. The tag is our own editorial judgement, not an official difficulty rating, so read the reason for every option, not only the answer.

How should I study STI: nongonococcal urethritis?

Learn each condition by its primary lesion, site and signature sign. Then use the flashcards and the other Dermatology questions on this site to test what stuck.

Is this a real NEET PG question?

No. It is an original practice item (editorial status: sample, version 1). NextPrep does not publish recalled or leaked questions, and independent faculty review of this item has not been completed yet, so confirm important facts in a standard textbook.