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Idiopathic Onychomadesis      

 

Common names or abbreviations:

bulletIdiopathic Onychomadesis

Description or definition:

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Idiopathic Onychomadesis is a condition that affects the canine claws or toenails.  Onycholysis is a term that denotes the separation of nail plate from the nail bed at its distal and lateral attachments.  Total separation of the nail bed and/or sloughing of the nail is termed onychomadesis.  Idiopathic means that the condition is not the consequence of some other disease or injury or is the result of unknown etiology.  For example, loosening of the toenails can be a secondary condition resulting from an underlying condition such as fungal infection, injury, etc.  However, in the condition known as idiopathic onychomadesis nail loosening and sloughing is considered the primary condition.  The exact cause of the condition is unknown, but it is suspected to have an immune-mediate component. 

Symptoms:

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Loosening or loss of the claw/toenails.  New nails may come in short, brittle, and/or with some degree of deformity.  The age of onset is variable, but tends to occur in young adult dogs (1-6 years of age).  The onset may be either acute and wide-spread, or chronic and affecting only one or two nails at a time.  Generalized and/or symmetric onychomadesis may be the result of an immune mediated “lupoid” (lupus-like) syndrome in which the body rejects the nails. 

Diagnosis:

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A diagnosis is made based on history, physical examination, and ruling out other causes of nail disease. Lupoid onychodystrophy (autoimmune related onychomadesis and malformation of the nail) can be diagnosed through biopsy of an affected nail bed. 

Treatment:

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Treatment may include complete removal of loose nails under general anesthesia, antibiotic therapy for secondary bacterial infection resulting from injury to the exposed nail bed, medicated paw soaks, fatty acid supplementation, and Prednisone or other immune system suppressors if an immune mediated component is suspected.

If you suspect your dog has this disorder, or for further information about this condition, please consult your veterinarian.

Links to sites about this disease:

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http://www.vin.com/proceedings/Proceedings.plx?CID=WSAVA2002&PID=2543

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http://www.antechdiagnostics.com/clients/antechnews/2000/10‑00.htm

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http://www.beaconforhealth.org/Onchodystrophy.htm

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http://www.vet.ohio‑state.edu/docs/derm2003/case8/case8.html

This summary provided by:

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Jessica S

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Wildfire Kennel

 

Dedicated to improving the health of ISSR Shiloh Shepherds.

 


Copyright © 1998 - 2009. Shiloh Shepherd Dog™ Club of America.
All rights reserved. Revised: January 2008

The information on this website was written by ISSR breeders and other concerned individuals, however we are are NOT veterinarians. This information is being provided as a general overview, from information we were able to find about each disease through our own research. These summaries are not intended to be relied upon as medical or veterinary advice, nor do we consider ourselves experts in the veterinary field or in any of these conditions. While we do our best to provide the most up to date information, new research is constantly being done on these diseases. We recommend that you do further study and talk to your veterinarian on any topics you see here, as we cannot guarantee that the information posted here is the most current information available.  This site was originally designed and maintained by Debbie Knatz.