Infestations: scabies treatment: 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 · Infestations: scabies treatment

Sample item

Which scabies treatment is appropriate for a pregnant woman and for infants?

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

The answer and the reasoning

A. Permethrin 5 percent cream

Permethrin 5 percent applied overnight over the whole body and repeated at one week is the preferred topical agent in pregnancy and infants. Oral ivermectin is avoided in pregnancy and in children under 15 kg, and lindane is neurotoxic.

Option by option

  • A. Permethrin 5 percent cream (correct)

    Correct. Permethrin is the safe topical first line.

  • B. Lindane lotion

    Lindane can cause seizures and is avoided in infants and pregnancy.

  • C. Oral ivermectin 200 mcg/kg

    Ivermectin is not recommended in pregnancy or infants.

  • D. Benzyl benzoate for infants undiluted

    Undiluted benzyl benzoate is irritating in infants and must be diluted.

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, Permethrin 5 percent cream. Permethrin 5 percent applied overnight over the whole body and repeated at one week is the preferred topical agent in pregnancy and infants.

Why is "Lindane lotion" not the answer?

Lindane can cause seizures and is avoided in infants and pregnancy.

Why is "Oral ivermectin 200 mcg/kg" not the answer?

Ivermectin is not recommended in pregnancy or infants.

Why is "Benzyl benzoate for infants undiluted" not the answer?

Undiluted benzyl benzoate is irritating in infants and must be diluted.

What concept does this question test?

It tests Infestations: scabies treatment in Dermatology. Oral ivermectin is avoided in pregnancy and in children under 15 kg, and lindane is neurotoxic.

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 Infestations: scabies treatment?

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.