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traveler's pruritis - Mexico

Kathleen Anderson vstr18a at sfsu.edu
Thu Jun 29 18:38:51 EST 1995

A friend returned from Mexican beach resort in March, and since then has 
had persistent pruritis that's been dx'd as fleabite allergy. However, 
the doc admits that itching severe enough to awaken the person from a 
sound sleep (after 2-3 hours sleep) every single night is considered 
quite unsual for this diagnosis. I suspected chiggers, since the itching 
greatly increases in severity in the evenings, but the doc has done 
"scrapings" to rule this out. Approximately 150 foci ("flea" bites) have 
been counted. 

My questions:

  Would the "scrapings" technique rule out chiggers?

  Are there other parasitic (arthropods or others) from that part of the 
  world (or here in SF Bay Area) that could cause problems of such intensity 
  and duration?

  Is a dermatologist the best choice in such a case?

  If this is caused by something other than flea bites, is there any 
  problem with taking the shots of Prednisone?

  Do you have any other suggestions for my friend? Questions he should 
  ask the doctors? Or?

Thanks in advance...

Kathleen Anderson
vstr18a at mercury.sfsu.edu               

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