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2129 Views 2 Replies 2 Participants Last post by  Sadeyes
Toby has developed what can only be described as 'dandruff' through his coat.He hasn't been bathed for 7 months so I know it's not residue from shampoo. Had him at the vet because he was scratching his ears.She cleaned them and said it was fine(stupidly, I had cleaned them the night before so don't think she got the whole picture)but, his ears are certainly a lot dirtier than before.

Anyone have any idea what could cause this and what I should do to eliminate it? Really don't want to leave this in case an ear infection or a skin infection starts.
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These symptoms may be seen with seborrhea.

Seborrhea can occur in primary form, which is inherited, with symptoms characteristically starting in the first two years of life.

However, most cases of seborrhea are secondary, associated with underlying disorders, such as allergies, hypothyroidism, etc. Treatment of the underlying disorder improves the seborrhea dramatically.

A diagnosis of seborrhea should prompt an evaluation for these underlying disorders. Good luck. :)

Secondary seborrhea is by far more common than primary seborrhea and the list of differentials is very extensive since almost any disease in veterinary dermatology may have scaling and flaking as a clinical sign. Scaling secondary to another disease may be divided into two big groups: pruritic and non-pruritic.

Pruritic causes for secondary seborrhea include: scabies, flea allergy, food allergy, atopy, Cheyletiellosis, pyoderma and Malassezia.

Non-pruritic causes for secondary seborrhea include: demodicosis; dermatophytosis; endocrine diseases (hypothyroidism, Cushing’s, sex hormone imbalance); pemphigus foliaceous; mycosis fungoides (this disease can be very pruritic); chronic steroid administration; dietary reasons (fatty acid deficiency); and environmental factors (low humidity).
[ February 26, 2006, 10:10 AM: Message edited by: Betsy Iole ]
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