Discoloration
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Discoloration

by
Edward M. Craft

Coloration in reptiles is one of the simplest and best indicators of health. Many owners overlook coloration as a natural process of aging or in the case of chameleons a natural process all together. Discoloration may indicate and underlying infection, trauma, problems with major organs, such as the liver or bacterial and fungal infections.

Dark and dismal coloration should be considered abnormal in any species and is cause for alarm. Discoloration may indicate a minor infection or a serious illness and is often an indicator of nutritionally related disorders. Proper examination and testing is required to determine the underlying cause and the proper method of treatment.

LEUKODERMA is a form of discoloration that is seen as white patches and is usually associated with genetic mutation, but may also be evidence of a previous burn that has healed. Irregular blotches of color may also be seen following the use of some injectable medications which have a high pH and are acidic, such as Enrofloxin or Ketamine.

Discoloration may be a result of DERMATOPHYTOSIS, which is commonly mislabeled as "Blackened Skin Syndrome". Dermatophytosis is not viral a first suspected, but instead is most commonly fungal in nature. Using topical anti fungal medications, such as miconazole best treats it. This condition is contagious to other reptiles and any effected animal should be isolated until treatment is complete and the illness is resolved.

Occasionally a systemic infection may be involved and the skin infection may only be a secondary illness. In these cases it is vital to determine the type of bacterial responsible for the underlying infection, since Salmonella may be present when a secondary skin infection is involved. If a secondary skin infection is involved, Salmonella may be in the active disease stage. A blood culture should be performed if the skin is involved secondary to a systemic infection to check for the presence of Salmonella. This is true for older captive animals with an otherwise healthy background. Proper diagnosis and treatment is vital in this case to help prevent the spread of Salmonella, which has zoonotic potential and may be transmitted, to humans and other animals.

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All rights reserved by Edward M. Craft. Printed in the United States of America. Original Edition 1997