Ichthyosis is a dry skin condition. There are two general 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 reviewedNovember 2013by Purvee S. Shah, MD; Michael Woods, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.