This migration usually takes 3 weeks. This cycle is changed in animals with seborrhea. The migration is greatly accelerated and only takes several days. Thus there is a buildup of this keratin on the surface of the skin. Seborrhea can be broken down into two groups, based upon the cause.
Primary seborrhea can be either genetic-based or caused by a keratinization disorder.
To determine the best treatment, it is important to differentiate whether a dog has primary or secondary seborrhea. Dogs with secondary seborrhea must be treated for its cause, such as allergies or zinc deficiency. Seborrhea is characterized by skin that is excessively flaky, and can be divided into several types depending upon the signs and symptoms. This type is common among Irish Setters and Doberman Pinschers. Seborrhea oleosa, or oily seborrhea, in which the scales are accompanied by an oily coat.