Itchy 2

A 26 year old man presents with diffuse itching over his body. The itching is most prominent over the hands and genitals, is worse at night, and disturbs his sleep.

He has noted similar symptoms in his wife and son.

He does not have a history of dermatological diseases and his medical history is unremarkable.

Select Relevant Investigations
Microscopy of Skin Scrapings


Microscopy of scrapings from a burrow demonstrates the Sarcoptes scabiei mite.
Microscopy of Plucked Pubic Hair


No nits or pubic lice are seen
Skin Patch Test


The patch test fails to elicit any form of contact dermatitis
HIV Screening


The HIV screening test is negative

Select Relevant Management
5% Permethrin Topically
Oral Antihistamines
Oral Antibiotics
Fumigate Living Areas