Ichthyosis is a dry skin condition. There are two types:
- Inherited ichthyosis—dryness and scaling of the skin due to hereditary factors
- Acquired ichthyosis—thickening and scaling of the skin that is associated with certain medical disorders
Inherited ichthyosis is caused by a genetic defect that is passed from parent to child or that occurs on its own.
Acquired ichthyosis is relatively rare, but may be caused by any of the following:
Last reviewedJanuary 2015by Purvee S. Shah, MD; Michael Woods, MD
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